331230123202121 has 48 divisors (see below), whose sum is σ = 411888818119680. Its totient is φ = 263313486072000.

The previous prime is 331230123202073. The next prime is 331230123202123. The reversal of 331230123202121 is 121202321032133.

It is not a de Polignac number, because 331230123202121 - 2³⁴ = 331212943332937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331230123202123) 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, 773704436 + ... + 774132426.

It is an arithmetic number, because the mean of its divisors is an integer number (8581017044160).

Almost surely, 2^{331230123202121} is an apocalyptic number.

It is an amenable number.

331230123202121 is a deficient number, since it is larger than the sum of its proper divisors (80658694917559).

331230123202121 is a wasteful number, since it uses less digits than its factorization.

331230123202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449958 (or 449945 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331230123202121 its reverse (121202321032133), we get a palindrome (452432444234254).

The spelling of 331230123202121 in words is "three hundred thirty-one trillion, two hundred thirty billion, one hundred twenty-three million, two hundred two thousand, one hundred twenty-one".