321102113020 has 48 divisors (see below), whose sum is σ = 726227651520. Its totient is φ = 118553780736.

The previous prime is 321102112967. The next prime is 321102113023. The reversal of 321102113020 is 20311201123.

It is a junction number, because it is equal to n+sod(n) for n = 321102112985 and 321102113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321102113023) 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, 6934264 + ... + 6980416.

It is an arithmetic number, because the mean of its divisors is an integer number (15129742740).

Almost surely, 2^321102113020 is an apocalyptic number.

It is an amenable number.

321102113020 is an abundant number, since it is smaller than the sum of its proper divisors (405125538500).

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

321102113020 is a wasteful number, since it uses less digits than its factorization.

321102113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72934 (or 72932 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321102113020 its reverse (20311201123), we get a palindrome (341413314143).

The spelling of 321102113020 in words is "three hundred twenty-one billion, one hundred two million, one hundred thirteen thousand, twenty".