Q: What is the negative version of the number 221,522,211?
A: -221,522,211
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:
| 221,522,209 | 221,522,210 | 221,522,212 | 221,522,213 |
| -221,522,209 | -221,522,210 | -221,522,212 | -221,522,213 |