321120133321 has 32 divisors (see below), whose sum is σ = 364695851520. Its totient is φ = 280522497024.

The previous prime is 321120133307. The next prime is 321120133333. The reversal of 321120133321 is 123331021123.

It is a cyclic number.

It is not a de Polignac number, because 321120133321 - 2⁵ = 321120133289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321120133292 and 321120133301.

It is not an unprimeable number, because it can be changed into a prime (321120833321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23686881 + ... + 23700433.

It is an arithmetic number, because the mean of its divisors is an integer number (11396745360).

Almost surely, 2^321120133321 is an apocalyptic number.

It is an amenable number.

321120133321 is a deficient number, since it is larger than the sum of its proper divisors (43575718199).

321120133321 is a wasteful number, since it uses less digits than its factorization.

321120133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14425.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321120133321 its reverse (123331021123), we get a palindrome (444451154444).

The spelling of 321120133321 in words is "three hundred twenty-one billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty-one".