331120010330221 has 24 divisors (see below), whose sum is σ = 392057711511840. Its totient is φ = 278758241147232.

The previous prime is 331120010330191. The next prime is 331120010330227. The reversal of 331120010330221 is 122033010021133.

It is not a de Polignac number, because 331120010330221 - 2¹⁷ = 331120010199149 is a prime.

It is a super-2 number, since 2×331120010330221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331120010330192 and 331120010330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331120010330227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47748406 + ... + 54241591.

It is an arithmetic number, because the mean of its divisors is an integer number (16335737979660).

Almost surely, 2^{331120010330221} is an apocalyptic number.

It is an amenable number.

331120010330221 is a deficient number, since it is larger than the sum of its proper divisors (60937701181619).

331120010330221 is a wasteful number, since it uses less digits than its factorization.

331120010330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101991193 (or 101991186 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331120010330221 its reverse (122033010021133), we get a palindrome (453153020351354).

The spelling of 331120010330221 in words is "three hundred thirty-one trillion, one hundred twenty billion, ten million, three hundred thirty thousand, two hundred twenty-one".