23020022121 has 32 divisors (see below), whose sum is σ = 32239637760. Its totient is φ = 14582709504.

The previous prime is 23020022119. The next prime is 23020022171. The reversal of 23020022121 is 12122002032.

It is a happy number.

It is not a de Polignac number, because 23020022121 - 2¹ = 23020022119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23020022121.

It is not an unprimeable number, because it can be changed into a prime (23020022171) 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 31 ways as a sum of consecutive naturals, for example, 7127535 + ... + 7130763.

It is an arithmetic number, because the mean of its divisors is an integer number (1007488680).

Almost surely, 2^23020022121 is an apocalyptic number.

It is an amenable number.

23020022121 is a deficient number, since it is larger than the sum of its proper divisors (9219615639).

23020022121 is a wasteful number, since it uses less digits than its factorization.

23020022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

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

Adding to 23020022121 its reverse (12122002032), we get a palindrome (35142024153).

The spelling of 23020022121 in words is "twenty-three billion, twenty million, twenty-two thousand, one hundred twenty-one".