22113121232 has 20 divisors (see below), whose sum is σ = 42858494976. Its totient is φ = 11052864480.

The previous prime is 22113121189. The next prime is 22113121241. The reversal of 22113121232 is 23212131122.

It is a super-2 number, since 2×22113121232² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181328 + ... + 277679.

Almost surely, 2^22113121232 is an apocalyptic number.

It is an amenable number.

22113121232 is a deficient number, since it is larger than the sum of its proper divisors (20745373744).

22113121232 is a wasteful number, since it uses less digits than its factorization.

22113121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462026 (or 462020 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 22113121232 its reverse (23212131122), we get a palindrome (45325252354).

The spelling of 22113121232 in words is "twenty-two billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred thirty-two".