22120110121110 has 32 divisors (see below), whose sum is σ = 53880626449152. Its totient is φ = 5810655792480.

The previous prime is 22120110121037. The next prime is 22120110121163. The reversal of 22120110121110 is 1112101102122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22120110121110.

It is a congruent number.

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, 5502512946 + ... + 5502516965.

It is an arithmetic number, because the mean of its divisors is an integer number (1683769576536).

Almost surely, 2^{22120110121110} is an apocalyptic number.

22120110121110 is an abundant number, since it is smaller than the sum of its proper divisors (31760516328042).

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

22120110121110 is a wasteful number, since it uses less digits than its factorization.

22120110121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005029988.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22120110121110 its reverse (1112101102122), we get a palindrome (23232211223232).

The spelling of 22120110121110 in words is "twenty-two trillion, one hundred twenty billion, one hundred ten million, one hundred twenty-one thousand, one hundred ten".