23011202201021 has 16 divisors (see below), whose sum is σ = 23576908013568. Its totient is φ = 22452488982000.

The previous prime is 23011202201017. The next prime is 23011202201027. The reversal of 23011202201021 is 12010220211032.

It is a cyclic number.

It is not a de Polignac number, because 23011202201021 - 2² = 23011202201017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011202201027) 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, 10455446 + ... + 12463496.

It is an arithmetic number, because the mean of its divisors is an integer number (1473556750848).

Almost surely, 2^{23011202201021} is an apocalyptic number.

It is an amenable number.

23011202201021 is a deficient number, since it is larger than the sum of its proper divisors (565705812547).

23011202201021 is a wasteful number, since it uses less digits than its factorization.

23011202201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009792.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23011202201021 its reverse (12010220211032), we get a palindrome (35021422412053).

The spelling of 23011202201021 in words is "twenty-three trillion, eleven billion, two hundred two million, two hundred one thousand, twenty-one".