23122022121 has 24 divisors (see below), whose sum is σ = 36445402656. Its totient is φ = 14009231040.

The previous prime is 23122022083. The next prime is 23122022177. The reversal of 23122022121 is 12122022132.

23122022121 is a `hidden beast` number, since 231 + 220 + 2 + 212 + 1 = 666.

It is not a de Polignac number, because 23122022121 - 2¹⁵ = 23121989353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122022094 and 23122022103.

It is not an unprimeable number, because it can be changed into a prime (23122022921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323206 + ... + 388208.

It is an arithmetic number, because the mean of its divisors is an integer number (1518558444).

Almost surely, 2^23122022121 is an apocalyptic number.

It is an amenable number.

23122022121 is a deficient number, since it is larger than the sum of its proper divisors (13323380535).

23122022121 is a wasteful number, since it uses less digits than its factorization.

23122022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68613 (or 68610 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23122022121 its reverse (12122022132), we get a palindrome (35244044253).

The spelling of 23122022121 in words is "twenty-three billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-one".