Micrillion

A milli-millillion or micrillion is equal to 103,000,003 in the short scale, or 106,000,000 in the long scale. It is 3,000,004 digits long.

The word milli-millillion was coined by Professor Henkle in his system to devise one million -illions, and milli-millillion was the largest name in that system.

Micrillion is also known as one milliamilliatillion according to Landon Curt Noll's The English name of a number.

The name micrillion was coined by Jonathan Bowers. It comes from micr(o)- + -illion, where micro- is analogous to the metric prefixes deci-, centi-, and milli-.

Approximations
For short scale: For long scale: