23221120113 has 12 divisors (see below), whose sum is σ = 34110120720. Its totient is φ = 15218360856.

The previous prime is 23221120081. The next prime is 23221120141. The reversal of 23221120113 is 31102112232.

It is not a de Polignac number, because 23221120113 - 2⁵ = 23221120081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23221120213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21864931 + ... + 21865992.

It is an arithmetic number, because the mean of its divisors is an integer number (2842510060).

Almost surely, 2^23221120113 is an apocalyptic number.

It is an amenable number.

23221120113 is a deficient number, since it is larger than the sum of its proper divisors (10889000607).

23221120113 is a wasteful number, since it uses less digits than its factorization.

23221120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730988 (or 43730985 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23221120113 its reverse (31102112232), we get a palindrome (54323232345).

The spelling of 23221120113 in words is "twenty-three billion, two hundred twenty-one million, one hundred twenty thousand, one hundred thirteen".