Q: What is the negative version of the number 221,551,511?
A: -221,551,511
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:
| 221,551,509 | 221,551,510 | 221,551,512 | 221,551,513 |
| -221,551,509 | -221,551,510 | -221,551,512 | -221,551,513 |