321102112321220 has 24 divisors (see below), whose sum is σ = 674490819617664. Its totient is φ = 128407248025056.

The previous prime is 321102112321121. The next prime is 321102112321231. The reversal of 321102112321220 is 22123211201123.

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, 2099728094 + ... + 2099881013.

It is an arithmetic number, because the mean of its divisors is an integer number (28103784150736).

Almost surely, 2^{321102112321220} is an apocalyptic number.

It is an amenable number.

321102112321220 is an abundant number, since it is smaller than the sum of its proper divisors (353388707296444).

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

321102112321220 is a wasteful number, since it uses less digits than its factorization.

321102112321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199612939 (or 4199612937 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 321102112321220 its reverse (22123211201123), we get a palindrome (343225323522343).

The spelling of 321102112321220 in words is "three hundred twenty-one trillion, one hundred two billion, one hundred twelve million, three hundred twenty-one thousand, two hundred twenty".