331022112222100 has 144 divisors (see below), whose sum is σ = 790253974008576. Its totient is φ = 119589470784000.

The previous prime is 331022112222089. The next prime is 331022112222157. The reversal of 331022112222100 is 1222211220133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217429530 + ... + 218946670.

It is an arithmetic number, because the mean of its divisors is an integer number (5487874819504).

Almost surely, 2^{331022112222100} 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 331022112222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395126987004288).

331022112222100 is an abundant number, since it is smaller than the sum of its proper divisors (459231861786476).

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

331022112222100 is a wasteful number, since it uses less digits than its factorization.

331022112222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520786 (or 1520779 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 331022112222100 its reverse (1222211220133), we get a palindrome (332244323442233).

The spelling of 331022112222100 in words is "three hundred thirty-one trillion, twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred".