111122111002 has 48 divisors (see below), whose sum is σ = 201255416640. Its totient is φ = 45070883136.

The previous prime is 111122110991. The next prime is 111122111033. The reversal of 111122111002 is 200111221111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5139238 + ... + 5160814.

It is an arithmetic number, because the mean of its divisors is an integer number (4192821180).

Almost surely, 2^111122111002 is an apocalyptic number.

111122111002 is a deficient number, since it is larger than the sum of its proper divisors (90133305638).

111122111002 is a wasteful number, since it uses less digits than its factorization.

111122111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22643 (or 22624 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111122111002 its reverse (200111221111), we get a palindrome (311233332113).

The spelling of 111122111002 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two".