23120442222121 has 16 divisors (see below), whose sum is σ = 23929245037440. Its totient is φ = 22312411793280.

The previous prime is 23120442222107. The next prime is 23120442222149. The reversal of 23120442222121 is 12122224402132.

It is a cyclic number.

It is not a de Polignac number, because 23120442222121 - 2²⁷ = 23120308004393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23120442222121.

It is not an unprimeable number, because it can be changed into a prime (23120442252121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617399020 + ... + 617436466.

It is an arithmetic number, because the mean of its divisors is an integer number (1495577814840).

Almost surely, 2^{23120442222121} is an apocalyptic number.

It is an amenable number.

23120442222121 is a deficient number, since it is larger than the sum of its proper divisors (808802815319).

23120442222121 is a wasteful number, since it uses less digits than its factorization.

23120442222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47184.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 23120442222121 its reverse (12122224402132), we get a palindrome (35242666624253).

The spelling of 23120442222121 in words is "twenty-three trillion, one hundred twenty billion, four hundred forty-two million, two hundred twenty-two thousand, one hundred twenty-one".