23211222113 has 4 divisors (see below), whose sum is σ = 23436573888. Its totient is φ = 22985870340.

The previous prime is 23211222071. The next prime is 23211222137. The reversal of 23211222113 is 31122211232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23211222113 - 2⁶ = 23211222049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211227113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112675733 + ... + 112675938.

It is an arithmetic number, because the mean of its divisors is an integer number (5859143472).

Almost surely, 2^23211222113 is an apocalyptic number.

It is an amenable number.

23211222113 is a deficient number, since it is larger than the sum of its proper divisors (225351775).

23211222113 is a wasteful number, since it uses less digits than its factorization.

23211222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225351774.

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

Adding to 23211222113 its reverse (31122211232), we get a palindrome (54333433345).

The spelling of 23211222113 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, one hundred thirteen".