Q: What is the negative version of the number 221,215,321?
A: -221,215,321
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:
| 221,215,319 | 221,215,320 | 221,215,322 | 221,215,323 |
| -221,215,319 | -221,215,320 | -221,215,322 | -221,215,323 |