What is 1 1 1?

One hundred and eleven.

Why? Because the normal numbering notation we use is "decimal", where, moving from right to left, each digit represents a higher power of the number ten and they must all then be added together.

So 111 is equal to [( 1 x 102 ) + ( 1 x 101 ) + ( 1x 100 )]

A different answer

111 in "hexadecimal" numbering notation is equal to the number 273 in decimal. Why? Because it is equal to [( 1 x 162 ) + ( 1 x 161 ) + ( 1x 160 )]