321110131120 has 20 divisors (see below), whose sum is σ = 746581055040. Its totient is φ = 128444052416.

The previous prime is 321110131109. The next prime is 321110131189. The reversal of 321110131120 is 21131011123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×321110131120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 321110131094 and 321110131103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006938240 + ... + 2006938399.

It is an arithmetic number, because the mean of its divisors is an integer number (37329052752).

Almost surely, 2^321110131120 is an apocalyptic number.

It is an amenable number.

321110131120 is an abundant number, since it is smaller than the sum of its proper divisors (425470923920).

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

321110131120 is a wasteful number, since it uses less digits than its factorization.

321110131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013876652 (or 4013876646 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 321110131120 its reverse (21131011123), we get a palindrome (342241142243).

The spelling of 321110131120 in words is "three hundred twenty-one billion, one hundred ten million, one hundred thirty-one thousand, one hundred twenty".