321222101120 has 64 divisors (see below), whose sum is σ = 770242098240. Its totient is φ = 128100572160.

The previous prime is 321222101119. The next prime is 321222101197. The reversal of 321222101120 is 21101222123.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546332 + ... + 970011.

It is an arithmetic number, because the mean of its divisors is an integer number (12035032785).

Almost surely, 2^321222101120 is an apocalyptic number.

It is an amenable number.

321222101120 is an abundant number, since it is smaller than the sum of its proper divisors (449019997120).

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

321222101120 is a wasteful number, since it uses less digits than its factorization.

321222101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516693 (or 1516681 counting only the distinct ones).

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

Adding to 321222101120 its reverse (21101222123), we get a palindrome (342323323243).

The spelling of 321222101120 in words is "three hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty".