Q: What is the negative version of the number 221,222,211?
A: -221,222,211
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:
| 221,222,209 | 221,222,210 | 221,222,212 | 221,222,213 |
| -221,222,209 | -221,222,210 | -221,222,212 | -221,222,213 |