331201210221112 has 48 divisors (see below), whose sum is σ = 780102024090480. Its totient is φ = 129039432551040.

The previous prime is 331201210220983. The next prime is 331201210221113. The reversal of 331201210221112 is 211122012102133.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201210221113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24439279693 + ... + 24439293244.

It is an arithmetic number, because the mean of its divisors is an integer number (16252125501885).

Almost surely, 2^{331201210221112} is an apocalyptic number.

It is an amenable number.

331201210221112 is an abundant number, since it is smaller than the sum of its proper divisors (448900813869368).

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

331201210221112 is a wasteful number, since it uses less digits than its factorization.

331201210221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48878572972 (or 48878572957 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 331201210221112 its reverse (211122012102133), we get a palindrome (542323222323245).

The spelling of 331201210221112 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".