20112110122 has 32 divisors (see below), whose sum is σ = 32893003584. Its totient is φ = 9167558400.

The previous prime is 20112110107. The next prime is 20112110143. The reversal of 20112110122 is 22101121102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909922 + ... + 931762.

It is an arithmetic number, because the mean of its divisors is an integer number (1027906362).

Almost surely, 2^20112110122 is an apocalyptic number.

20112110122 is a deficient number, since it is larger than the sum of its proper divisors (12780893462).

20112110122 is a wasteful number, since it uses less digits than its factorization.

20112110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112110122 its reverse (22101121102), we get a palindrome (42213231224).

The spelling of 20112110122 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".