111010112122 has 32 divisors (see below), whose sum is σ = 213852264192. Its totient is φ = 42006691584.

The previous prime is 111010112107. The next prime is 111010112153. The reversal of 111010112122 is 221211010111.

It is a happy number.

It is a super-2 number, since 2×111010112122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13255503 + ... + 13263874.

It is an arithmetic number, because the mean of its divisors is an integer number (6682883256).

Almost surely, 2^111010112122 is an apocalyptic number.

111010112122 is a deficient number, since it is larger than the sum of its proper divisors (102842152070).

111010112122 is a wasteful number, since it uses less digits than its factorization.

111010112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26519422.

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

Adding to 111010112122 its reverse (221211010111), we get a palindrome (332221122233).

The spelling of 111010112122 in words is "one hundred eleven billion, ten million, one hundred twelve thousand, one hundred twenty-two".