22102223121 has 36 divisors (see below), whose sum is σ = 35114357824. Its totient is φ = 13386597840.

The previous prime is 22102223089. The next prime is 22102223123. The reversal of 22102223121 is 12132220122.

It is not a de Polignac number, because 22102223121 - 2⁵ = 22102223089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102223094 and 22102223103.

It is not an unprimeable number, because it can be changed into a prime (22102223123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1935996 + ... + 1947378.

Almost surely, 2^22102223121 is an apocalyptic number.

It is an amenable number.

22102223121 is a deficient number, since it is larger than the sum of its proper divisors (13012134703).

22102223121 is a wasteful number, since it uses less digits than its factorization.

22102223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194 (or 13180 counting only the distinct ones).

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

Adding to 22102223121 its reverse (12132220122), we get a palindrome (34234443243).

The spelling of 22102223121 in words is "twenty-two billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-one".