Q: What is the negative version of the number 221,351,399?
A: -221,351,399
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:
| 221,351,397 | 221,351,398 | 221,351,400 | 221,351,401 |
| -221,351,397 | -221,351,398 | -221,351,400 | -221,351,401 |