23022120021 has 8 divisors (see below), whose sum is σ = 30899446464. Its totient is φ = 15246436800.

The previous prime is 23022120007. The next prime is 23022120041. The reversal of 23022120021 is 12002122032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23022120021 - 2⁹ = 23022119509 is a prime.

It is a super-2 number, since 2×23022120021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022120041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25410276 + ... + 25411181.

It is an arithmetic number, because the mean of its divisors is an integer number (3862430808).

Almost surely, 2^23022120021 is an apocalyptic number.

It is an amenable number.

23022120021 is a deficient number, since it is larger than the sum of its proper divisors (7877326443).

23022120021 is a wasteful number, since it uses less digits than its factorization.

23022120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50821611.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23022120021 its reverse (12002122032), we get a palindrome (35024242053).

The spelling of 23022120021 in words is "twenty-three billion, twenty-two million, one hundred twenty thousand, twenty-one".