322132120021 has 4 divisors (see below), whose sum is σ = 322442161600. Its totient is φ = 321822078444.

The previous prime is 322132120007. The next prime is 322132120081. The reversal of 322132120021 is 120021231223.

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 a de Polignac number, because none of the positive numbers 2^k-322132120021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322132120081) 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, 155019231 + ... + 155021308.

It is an arithmetic number, because the mean of its divisors is an integer number (80610540400).

Almost surely, 2^322132120021 is an apocalyptic number.

It is an amenable number.

322132120021 is a deficient number, since it is larger than the sum of its proper divisors (310041579).

322132120021 is a wasteful number, since it uses less digits than its factorization.

322132120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310041578.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 322132120021 its reverse (120021231223), we get a palindrome (442153351244).

The spelling of 322132120021 in words is "three hundred twenty-two billion, one hundred thirty-two million, one hundred twenty thousand, twenty-one".