23110201021 has 16 divisors (see below), whose sum is σ = 23484988800. Its totient is φ = 22739277888.

The previous prime is 23110201003. The next prime is 23110201111. The reversal of 23110201021 is 12010201132.

It is a cyclic number.

It is not a de Polignac number, because 23110201021 - 2²³ = 23101812413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23110200992 and 23110201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110201001) 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, 8631535 + ... + 8634211.

It is an arithmetic number, because the mean of its divisors is an integer number (1467811800).

Almost surely, 2^23110201021 is an apocalyptic number.

It is an amenable number.

23110201021 is a deficient number, since it is larger than the sum of its proper divisors (374787779).

23110201021 is a wasteful number, since it uses less digits than its factorization.

23110201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 23110201021 its reverse (12010201132), we get a palindrome (35120402153).

The spelling of 23110201021 in words is "twenty-three billion, one hundred ten million, two hundred one thousand, twenty-one".