321103312222 has 48 divisors (see below), whose sum is σ = 624572153856. Its totient is φ = 121069515600.

The previous prime is 321103312219. The next prime is 321103312247. The reversal of 321103312222 is 222213301123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 321103312193 and 321103312202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3004798 + ... + 3109825.

It is an arithmetic number, because the mean of its divisors is an integer number (13011919872).

Almost surely, 2^321103312222 is an apocalyptic number.

321103312222 is a deficient number, since it is larger than the sum of its proper divisors (303468841634).

321103312222 is a wasteful number, since it uses less digits than its factorization.

321103312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114685 (or 6114674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321103312222 its reverse (222213301123), we get a palindrome (543316613345).

The spelling of 321103312222 in words is "three hundred twenty-one billion, one hundred three million, three hundred twelve thousand, two hundred twenty-two".