321333020012321 has 4 divisors (see below), whose sum is σ = 321334936172544. Its totient is φ = 321331103852100.

The previous prime is 321333020012261. The next prime is 321333020012399. The reversal of 321333020012321 is 123210020333123.

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-321333020012321 is a prime.

It is a super-4 number, since 4×321333020012321⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321333020012621) 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 3 ways as a sum of consecutive naturals, for example, 957828545 + ... + 958163966.

It is an arithmetic number, because the mean of its divisors is an integer number (80333734043136).

Almost surely, 2^{321333020012321} is an apocalyptic number.

It is an amenable number.

321333020012321 is a deficient number, since it is larger than the sum of its proper divisors (1916160223).

321333020012321 is a wasteful number, since it uses less digits than its factorization.

321333020012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916160222.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 321333020012321 its reverse (123210020333123), we get a palindrome (444543040345444).

The spelling of 321333020012321 in words is "three hundred twenty-one trillion, three hundred thirty-three billion, twenty million, twelve thousand, three hundred twenty-one".