321140121201 has 32 divisors (see below), whose sum is σ = 478028977920. Its totient is φ = 213075937152.

The previous prime is 321140121199. The next prime is 321140121209. The reversal of 321140121201 is 102121041123.

321140121201 is a `hidden beast` number, since 32 + 11 + 401 + 21 + 201 = 666.

It is not a de Polignac number, because 321140121201 - 2¹ = 321140121199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321140121209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5438431 + ... + 5497163.

It is an arithmetic number, because the mean of its divisors is an integer number (14938405560).

Almost surely, 2^321140121201 is an apocalyptic number.

It is an amenable number.

321140121201 is a deficient number, since it is larger than the sum of its proper divisors (156888856719).

321140121201 is a wasteful number, since it uses less digits than its factorization.

321140121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59702 (or 59696 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 321140121201 its reverse (102121041123), we get a palindrome (423261162324).

The spelling of 321140121201 in words is "three hundred twenty-one billion, one hundred forty million, one hundred twenty-one thousand, two hundred one".