22122032121 has 64 divisors (see below), whose sum is σ = 37922979840. Its totient is φ = 12483979200.

The previous prime is 22122032089. The next prime is 22122032129. The reversal of 22122032121 is 12123022122.

It is not a de Polignac number, because 22122032121 - 2⁵ = 22122032089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122032094 and 22122032103.

It is not an unprimeable number, because it can be changed into a prime (22122032129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8836956 + ... + 8839458.

It is an arithmetic number, because the mean of its divisors is an integer number (592546560).

Almost surely, 2^22122032121 is an apocalyptic number.

22122032121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22122032121 is a deficient number, since it is larger than the sum of its proper divisors (15800947719).

22122032121 is a wasteful number, since it uses less digits than its factorization.

22122032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3077 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22122032121 its reverse (12123022122), we get a palindrome (34245054243).

Subtracting from 22122032121 its reverse (12123022122), we obtain a palindrome (9999009999).

The spelling of 22122032121 in words is "twenty-two billion, one hundred twenty-two million, thirty-two thousand, one hundred twenty-one".