22120021122 has 32 divisors (see below), whose sum is σ = 46717321920. Its totient is φ = 6962941440.

The previous prime is 22120021073. The next prime is 22120021169. The reversal of 22120021122 is 22112002122.

It is a super-2 number, since 2×22120021122² (a number of 21 digits) contains 22 as substring.

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, 274279 + ... + 345642.

It is an arithmetic number, because the mean of its divisors is an integer number (1459916310).

Almost surely, 2^22120021122 is an apocalyptic number.

22120021122 is an abundant number, since it is smaller than the sum of its proper divisors (24597300798).

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

22120021122 is a wasteful number, since it uses less digits than its factorization.

22120021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620258.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120021122 its reverse (22112002122), we get a palindrome (44232023244).

The spelling of 22120021122 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".