321121032201 has 16 divisors (see below), whose sum is σ = 478765027200. Its totient is φ = 212717114064.

The previous prime is 321121032119. The next prime is 321121032227. The reversal of 321121032201 is 102230121123.

321121032201 is a `hidden beast` number, since 321 + 1 + 21 + 0 + 322 + 0 + 1 = 666.

It is not a de Polignac number, because 321121032201 - 2¹³ = 321121024009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321121032241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37872741 + ... + 37881218.

It is an arithmetic number, because the mean of its divisors is an integer number (29922814200).

Almost surely, 2^321121032201 is an apocalyptic number.

It is an amenable number.

321121032201 is a deficient number, since it is larger than the sum of its proper divisors (157643994999).

321121032201 is a wasteful number, since it uses less digits than its factorization.

321121032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75754125 (or 75754119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321121032201 its reverse (102230121123), we get a palindrome (423351153324).

The spelling of 321121032201 in words is "three hundred twenty-one billion, one hundred twenty-one million, thirty-two thousand, two hundred one".