111001120122 has 32 divisors (see below), whose sum is σ = 225419023872. Its totient is φ = 36435051824.

The previous prime is 111001120063. The next prime is 111001120147. The reversal of 111001120122 is 221021100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001120098 and 111001120107.

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, 410448 + ... + 624875.

It is an arithmetic number, because the mean of its divisors is an integer number (7044344496).

Almost surely, 2^111001120122 is an apocalyptic number.

111001120122 is an abundant number, since it is smaller than the sum of its proper divisors (114417903750).

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

111001120122 is a wasteful number, since it uses less digits than its factorization.

111001120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035602.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111001120122 its reverse (221021100111), we get a palindrome (332022220233).

The spelling of 111001120122 in words is "one hundred eleven billion, one million, one hundred twenty thousand, one hundred twenty-two".