321023113101220 has 48 divisors (see below), whose sum is σ = 688306158187200. Its totient is φ = 125729897648000.

The previous prime is 321023113101151. The next prime is 321023113101253. The reversal of 321023113101220 is 22101311320123.

It is a junction number, because it is equal to n+sod(n) for n = 321023113101191 and 321023113101200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541643035 + ... + 542235394.

It is an arithmetic number, because the mean of its divisors is an integer number (14339711628900).

Almost surely, 2^{321023113101220} is an apocalyptic number.

It is an amenable number.

321023113101220 is an abundant number, since it is smaller than the sum of its proper divisors (367283045085980).

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

321023113101220 is a wasteful number, since it uses less digits than its factorization.

321023113101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083878748 (or 1083878746 counting only the distinct ones).

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

Adding to 321023113101220 its reverse (22101311320123), we get a palindrome (343124424421343).

The spelling of 321023113101220 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred thirteen million, one hundred one thousand, two hundred twenty".