22431214013021 has 4 divisors (see below), whose sum is σ = 24470415286944. Its totient is φ = 20392012739100.

The previous prime is 22431214012919. The next prime is 22431214013147. The reversal of 22431214013021 is 12031041213422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22431214013021 - 2²⁶ = 22431146904157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431214003021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019600636945 + ... + 1019600636966.

It is an arithmetic number, because the mean of its divisors is an integer number (6117603821736).

Almost surely, 2^{22431214013021} is an apocalyptic number.

It is an amenable number.

22431214013021 is a deficient number, since it is larger than the sum of its proper divisors (2039201273923).

22431214013021 is a wasteful number, since it uses less digits than its factorization.

22431214013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039201273922.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 22431214013021 its reverse (12031041213422), we get a palindrome (34462255226443).

The spelling of 22431214013021 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred fourteen million, thirteen thousand, twenty-one".