Q: What is the negative version of the number 221,144,515?
A: -221,144,515
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:
| 221,144,513 | 221,144,514 | 221,144,516 | 221,144,517 |
| -221,144,513 | -221,144,514 | -221,144,516 | -221,144,517 |