Omegillion

One billion is a large number that is almost indescribable. One omegillion is equal to 101,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999...,999,999,999,999,999,999,999,999,999×1,000,000,000,000,000,000...,000,000,000,000,000,000...,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000...,000,000,000,000,000,000,000...,000,000,000,000,000