111012122122 has 16 divisors (see below), whose sum is σ = 183454779744. Its totient is φ = 49960450000.

The previous prime is 111012122113. The next prime is 111012122141. The reversal of 111012122122 is 221221210111.

It is a junction number, because it is equal to n+sod(n) for n = 111012122096 and 111012122105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24978004 + ... + 24982447.

It is an arithmetic number, because the mean of its divisors is an integer number (11465923734).

Almost surely, 2^111012122122 is an apocalyptic number.

111012122122 is a deficient number, since it is larger than the sum of its proper divisors (72442657622).

111012122122 is a wasteful number, since it uses less digits than its factorization.

111012122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49960565.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111012122122 its reverse (221221210111), we get a palindrome (332233332233).

The spelling of 111012122122 in words is "one hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred twenty-two".