321102020322 has 12 divisors (see below), whose sum is σ = 695721044070. Its totient is φ = 107034006768.

The previous prime is 321102020293. The next prime is 321102020339. The reversal of 321102020322 is 223020201123.

321102020322 is a `hidden beast` number, since 32 + 110 + 202 + 0 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 320866735401 + 235284921 = 566451^2 + 15339^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17839001129 = 321102020322 / (3 + 2 + 1 + 1 + 0 + 2 + 0 + 2 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 321102020295 and 321102020304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8919500547 + ... + 8919500582.

Almost surely, 2^321102020322 is an apocalyptic number.

321102020322 is an abundant number, since it is smaller than the sum of its proper divisors (374619023748).

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

321102020322 is a wasteful number, since it uses less digits than its factorization.

321102020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839001137 (or 17839001134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 321102020322 its reverse (223020201123), we get a palindrome (544122221445).

The spelling of 321102020322 in words is "three hundred twenty-one billion, one hundred two million, twenty thousand, three hundred twenty-two".