Q: What is the negative version of the number 221,100,001?
A: -221,100,001
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 221,099,999 | 221,100,000 | 221,100,002 | 221,100,003 |
| -221,099,999 | -221,100,000 | -221,100,002 | -221,100,003 |