321105001201 has 4 divisors (see below), whose sum is σ = 321216537600. Its totient is φ = 320993464804.

The previous prime is 321105001169. The next prime is 321105001333. The reversal of 321105001201 is 102100501123.

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 321105001201 - 2⁵ = 321105001169 is a prime.

It is a super-2 number, since 2×321105001201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321105001501) 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, 55763881 + ... + 55769638.

It is an arithmetic number, because the mean of its divisors is an integer number (80304134400).

Almost surely, 2^321105001201 is an apocalyptic number.

It is an amenable number.

321105001201 is a deficient number, since it is larger than the sum of its proper divisors (111536399).

321105001201 is a wasteful number, since it uses less digits than its factorization.

321105001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111536398.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 321105001201 its reverse (102100501123), we get a palindrome (423205502324).

The spelling of 321105001201 in words is "three hundred twenty-one billion, one hundred five million, one thousand, two hundred one".