321223222320401 has 4 divisors (see below), whose sum is σ = 321226271270400. Its totient is φ = 321220173370404.

The previous prime is 321223222320383. The next prime is 321223222320439. The reversal of 321223222320401 is 104023222322123.

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 321223222320401 - 2⁶ = 321223222320337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321223222320461) 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, 1524316961 + ... + 1524527678.

It is an arithmetic number, because the mean of its divisors is an integer number (80306567817600).

Almost surely, 2^{321223222320401} is an apocalyptic number.

It is an amenable number.

321223222320401 is a deficient number, since it is larger than the sum of its proper divisors (3048949999).

321223222320401 is a wasteful number, since it uses less digits than its factorization.

321223222320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048949998.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 321223222320401 its reverse (104023222322123), we get a palindrome (425246444642524).

The spelling of 321223222320401 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred twenty thousand, four hundred one".