23210211121 has 16 divisors (see below), whose sum is σ = 24872400000. Its totient is φ = 21595406976.

The previous prime is 23210211109. The next prime is 23210211133. The reversal of 23210211121 is 12111201232.

It is an interprime number because it is at equal distance from previous prime (23210211109) and next prime (23210211133).

It is a cyclic number.

It is not a de Polignac number, because 23210211121 - 2²⁵ = 23176656689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23210211095 and 23210211104.

It is not an unprimeable number, because it can be changed into a prime (23210211181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205900 + ... + 298018.

It is an arithmetic number, because the mean of its divisors is an integer number (1554525000).

Almost surely, 2^23210211121 is an apocalyptic number.

It is an amenable number.

23210211121 is a deficient number, since it is larger than the sum of its proper divisors (1662188879).

23210211121 is a wasteful number, since it uses less digits than its factorization.

23210211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92376.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23210211121 its reverse (12111201232), we get a palindrome (35321412353).

The spelling of 23210211121 in words is "twenty-three billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-one".