322113012100 has 144 divisors (see below), whose sum is σ = 772993025280. Its totient is φ = 115527859200.

The previous prime is 322113012079. The next prime is 322113012101. The reversal of 322113012100 is 1210311223.

It is not an unprimeable number, because it can be changed into a prime (322113012101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143992182 + ... + 143994418.

It is an arithmetic number, because the mean of its divisors is an integer number (5368007120).

Almost surely, 2^322113012100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322113012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386496512640).

322113012100 is an abundant number, since it is smaller than the sum of its proper divisors (450880013180).

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

322113012100 is a wasteful number, since it uses less digits than its factorization.

322113012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 322113012100 its reverse (1210311223), we get a palindrome (323323323323).

The spelling of 322113012100 in words is "three hundred twenty-two billion, one hundred thirteen million, twelve thousand, one hundred".