23310221121 has 32 divisors (see below), whose sum is σ = 37883635200. Its totient is φ = 14048450640.

The previous prime is 23310221101. The next prime is 23310221167. The reversal of 23310221121 is 12112201332.

It is not a de Polignac number, because 23310221121 - 2¹⁴ = 23310204737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23310221094 and 23310221103.

It is not an unprimeable number, because it can be changed into a prime (23310221101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166071 + ... + 272396.

It is an arithmetic number, because the mean of its divisors is an integer number (1183863600).

Almost surely, 2^23310221121 is an apocalyptic number.

It is an amenable number.

23310221121 is a deficient number, since it is larger than the sum of its proper divisors (14573414079).

23310221121 is a wasteful number, since it uses less digits than its factorization.

23310221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438666 (or 438660 counting only the distinct ones).

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

Adding to 23310221121 its reverse (12112201332), we get a palindrome (35422422453).

The spelling of 23310221121 in words is "twenty-three billion, three hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".