321122113321 has 16 divisors (see below), whose sum is σ = 343396872000. Its totient is φ = 299393411328.

The previous prime is 321122113267. The next prime is 321122113339. The reversal of 321122113321 is 123311221123.

It is a cyclic number.

It is not a de Polignac number, because 321122113321 - 2¹⁵ = 321122080553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321122113292 and 321122113301.

It is not an unprimeable number, because it can be changed into a prime (321122113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215141 + ... + 1455613.

It is an arithmetic number, because the mean of its divisors is an integer number (21462304500).

Almost surely, 2^321122113321 is an apocalyptic number.

It is an amenable number.

321122113321 is a deficient number, since it is larger than the sum of its proper divisors (22274758679).

321122113321 is a wasteful number, since it uses less digits than its factorization.

321122113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241608.

The product of its digits is 432, while the sum is 22.

Adding to 321122113321 its reverse (123311221123), we get a palindrome (444433334444).

The spelling of 321122113321 in words is "three hundred twenty-one billion, one hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-one".