320404021122 has 64 divisors (see below), whose sum is σ = 673982749440. Its totient is φ = 101348755200.

The previous prime is 320404021081. The next prime is 320404021153. The reversal of 320404021122 is 221120404023.

It is a super-2 number, since 2×320404021122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10500504 + ... + 10530972.

It is an arithmetic number, because the mean of its divisors is an integer number (10530980460).

Almost surely, 2^320404021122 is an apocalyptic number.

320404021122 is an abundant number, since it is smaller than the sum of its proper divisors (353578728318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320404021122 is a wasteful number, since it uses less digits than its factorization.

320404021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31099.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 320404021122 its reverse (221120404023), we get a palindrome (541524425145).

The spelling of 320404021122 in words is "three hundred twenty billion, four hundred four million, twenty-one thousand, one hundred twenty-two".