111201021111122 has 64 divisors (see below), whose sum is σ = 181875386327040. Its totient is φ = 50797855555200.

The previous prime is 111201021111109. The next prime is 111201021111149. The reversal of 111201021111122 is 221111120102111.

It is a self number, because there is not a number n which added to its sum of digits gives 111201021111122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394492643 + ... + 394774425.

It is an arithmetic number, because the mean of its divisors is an integer number (2841802911360).

Almost surely, 2^{111201021111122} is an apocalyptic number.

111201021111122 is a deficient number, since it is larger than the sum of its proper divisors (70674365215918).

111201021111122 is a wasteful number, since it uses less digits than its factorization.

111201021111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282999.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111201021111122 its reverse (221111120102111), we get a palindrome (332312141213233).

The spelling of 111201021111122 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".