23021202132121 has 8 divisors (see below), whose sum is σ = 24718705853184. Its totient is φ = 21361844562240.

The previous prime is 23021202132107. The next prime is 23021202132157. The reversal of 23021202132121 is 12123120212032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23021202132121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021202132092 and 23021202132101.

It is not an unprimeable number, because it can be changed into a prime (23021202132191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9536536545 + ... + 9536538958.

It is an arithmetic number, because the mean of its divisors is an integer number (3089838231648).

Almost surely, 2^{23021202132121} is an apocalyptic number.

It is an amenable number.

23021202132121 is a deficient number, since it is larger than the sum of its proper divisors (1697503721063).

23021202132121 is a wasteful number, since it uses less digits than its factorization.

23021202132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19073075591.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 23021202132121 its reverse (12123120212032), we get a palindrome (35144322344153).

The spelling of 23021202132121 in words is "twenty-three trillion, twenty-one billion, two hundred two million, one hundred thirty-two thousand, one hundred twenty-one".