321013112021322 has 128 divisors (see below), whose sum is σ = 766508710625280. Its totient is φ = 87631508352960.

The previous prime is 321013112021269. The next prime is 321013112021359. The reversal of 321013112021322 is 223120211310123.

It is a super-2 number, since 2×321013112021322² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321013112021292 and 321013112021301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3665200743 + ... + 3665288325.

It is an arithmetic number, because the mean of its divisors is an integer number (5988349301760).

Almost surely, 2^{321013112021322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321013112021322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383254355312640).

321013112021322 is an abundant number, since it is smaller than the sum of its proper divisors (445495598603958).

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

321013112021322 is a wasteful number, since it uses less digits than its factorization.

321013112021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91848.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321013112021322 its reverse (223120211310123), we get a palindrome (544133323331445).

The spelling of 321013112021322 in words is "three hundred twenty-one trillion, thirteen billion, one hundred twelve million, twenty-one thousand, three hundred twenty-two".