321104101220 has 24 divisors (see below), whose sum is σ = 770649843264. Its totient is φ = 110092834656.

The previous prime is 321104101211. The next prime is 321104101267. The reversal of 321104101220 is 22101401123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146800222 + ... + 1146800501.

It is an arithmetic number, because the mean of its divisors is an integer number (32110410136).

Almost surely, 2^321104101220 is an apocalyptic number.

It is an amenable number.

321104101220 is an abundant number, since it is smaller than the sum of its proper divisors (449545742044).

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

321104101220 is a wasteful number, since it uses less digits than its factorization.

321104101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293600739 (or 2293600737 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 321104101220 its reverse (22101401123), we get a palindrome (343205502343).

The spelling of 321104101220 in words is "three hundred twenty-one billion, one hundred four million, one hundred one thousand, two hundred twenty".