111111101200122 has 16 divisors (see below), whose sum is σ = 222648732545472. Its totient is φ = 36965945375840.

The previous prime is 111111101200093. The next prime is 111111101200147. The reversal of 111111101200122 is 221002101111111.

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, 17772085998 + ... + 17772092249.

It is an arithmetic number, because the mean of its divisors is an integer number (13915545784092).

Almost surely, 2^{111111101200122} is an apocalyptic number.

111111101200122 is an abundant number, since it is smaller than the sum of its proper divisors (111537631345350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111101200122 is a wasteful number, since it uses less digits than its factorization.

111111101200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35544178773.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111111101200122 its reverse (221002101111111), we get a palindrome (332113202311233).

The spelling of 111111101200122 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred one million, two hundred thousand, one hundred twenty-two".