Q: What is the negative version of the number 221,521,641?
A: -221,521,641
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:
| 221,521,639 | 221,521,640 | 221,521,642 | 221,521,643 |
| -221,521,639 | -221,521,640 | -221,521,642 | -221,521,643 |