331220302120201 has 16 divisors (see below), whose sum is σ = 358539571716480. Its totient is φ = 304167147995520.

The previous prime is 331220302120181. The next prime is 331220302120237. The reversal of 331220302120201 is 102021203022133.

It is a cyclic number.

It is not a de Polignac number, because 331220302120201 - 2³⁷ = 331082863166729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331220302120801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63018940 + ... + 68072221.

It is an arithmetic number, because the mean of its divisors is an integer number (22408723232280).

Almost surely, 2^{331220302120201} is an apocalyptic number.

It is an amenable number.

331220302120201 is a deficient number, since it is larger than the sum of its proper divisors (27319269596279).

331220302120201 is a wasteful number, since it uses less digits than its factorization.

331220302120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131092176.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 331220302120201 its reverse (102021203022133), we get a palindrome (433241505142334).

The spelling of 331220302120201 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred two million, one hundred twenty thousand, two hundred one".