We look at the division of 91219174 by 121 
We want to figure out the number of times 91219174 can be divided by 121.

Moving on to step 1:
The number 121 fits into 9 0 times, leaving a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 121

Moving on to step 2:
121 can be fit into 91 0 times, resulting in a remainder of 91.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 91, we get 91.
Append the next digit (2) from the dividend to 91 and continue with: 912 / 121

Step 3:
If we divide 912 by 121, we get 7 and a remainder of 65.
The next digit of our result is 7. 
Result so far: 7.0
If we subtract 847 from 912, we get 65.
Take the next digit (1) from the dividend and append it to 65, then repeat: 651 / 121

Advancing to step 4:
651 divided by 121 is 5 with a remainder of 46.
Use 5 as the next digit of our solution. 
Result so far: 75.0
If we subtract 605 from 651, we get 46.
Fetch the next digit (9) from the dividend, attach it to 46 and continue: 469 / 121

On to step 5:
121 can be fit into 469 3 times, resulting in a remainder of 106.
The number 3 becomes the next digit in our result. 
Result so far: 753.0
If we take 363 away from 469, we end up with 106.
Grab the next digit (1) from the dividend, add it to 106, then carry on: 1061 / 121

Advancing to step 6:
The number 121 fits into 1061 8 times, leaving a remainder of 93.
The number 8 becomes the next digit in our result. 
Result so far: 7538.0
If we subtract 968 from 1061, we get 93.
Bring next digit (7) of the dividend behind the 93 and repeat the process: 937 / 121

Let's proceed to step 7:
When dividing 937 by 121, we get 7 with a remainder of 90.
Record the quotient 7 as the next digit in the result. 
Result so far: 75387.0
If we take 847 away from 937, we end up with 90.
Include the next digit (4) from the dividend after 90, then repeat: 904 / 121

Moving on to step 8:
When dividing 904 by 121, we get 7 with a remainder of 57.
The next digit of our result is 7. 
Result so far: 753877.0
If we take 847 away from 904, we end up with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Moving on to step 9:
570 divided by 121 is 4 with a remainder of 86.
Write down 4 as next digit of the result. 
Result so far: 753877.4
If we subtract 484 from 570, we get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Moving on to step 10:
When dividing 860 by 121, we get 7 with a remainder of 13.
The number 7 becomes the next digit in our result. 
Result so far: 753877.47
The remainder is 13 after subtracting 847 from 860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 11:
121 can be fit into 130 1 times, resulting in a remainder of 9.
Use 1 as the next digit of our solution. 
Result so far: 753877.471
Deduct 121 from 130 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 12:
90 divided by 121 is 0 with a remainder of 90.
Use 0 as the next digit of our solution. 
Result so far: 753877.471
Subtracting 0 from 90 leaves us with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Let's proceed to step 13:
When dividing 900 by 121, we get 7 with a remainder of 53.
Write down 7 as next digit of the result. 
Result so far: 753877.47107
Subtracting 847 from 900 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Going ahead to step 14:
When dividing 530 by 121, we get 4 with a remainder of 46.
Write down 4 as next digit of the result. 
Result so far: 753877.471074
Subtracting 484 from 530 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 15:
121 goes into 460 3 times with a remainder of 97.
Put 3 as the next digit of the answer. 
Result so far: 753877.4710743
If we subtract 363 from 460, we get 97.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

Moving on to step 16:
121 goes into 970 8 times with a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 753877.47107438
Subtracting 968 from 970 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

After the division, we end up with 753877.47107438 and a remainder of 2e-09.