321111313201 has 4 divisors (see below), whose sum is σ = 366984357952. Its totient is φ = 275238268452.

The previous prime is 321111313169. The next prime is 321111313223. The reversal of 321111313201 is 102313111123.

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 not a de Polignac number, because 321111313201 - 2⁵ = 321111313169 is a prime.

It is a super-2 number, since 2×321111313201² (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 (321111317201) 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, 22936522365 + ... + 22936522378.

It is an arithmetic number, because the mean of its divisors is an integer number (91746089488).

Almost surely, 2^321111313201 is an apocalyptic number.

It is an amenable number.

321111313201 is a deficient number, since it is larger than the sum of its proper divisors (45873044751).

321111313201 is an equidigital number, since it uses as much as digits as its factorization.

321111313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45873044750.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 321111313201 its reverse (102313111123), we get a palindrome (423424424324).

The spelling of 321111313201 in words is "three hundred twenty-one billion, one hundred eleven million, three hundred thirteen thousand, two hundred one".