331132023121121 has 16 divisors (see below), whose sum is σ = 353567123374080. Its totient is φ = 309366864853200.

The previous prime is 331132023121079. The next prime is 331132023121217. The reversal of 331132023121121 is 121121320231133.

It is not a de Polignac number, because 331132023121121 - 2¹⁸ = 331132022858977 is a prime.

It is a super-2 number, since 2×331132023121121² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331132023121621) 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, 148568096 + ... + 150780446.

It is an arithmetic number, because the mean of its divisors is an integer number (22097945210880).

Almost surely, 2^{331132023121121} is an apocalyptic number.

It is an amenable number.

331132023121121 is a deficient number, since it is larger than the sum of its proper divisors (22435100252959).

331132023121121 is a wasteful number, since it uses less digits than its factorization.

331132023121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363756.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 331132023121121 its reverse (121121320231133), we get a palindrome (452253343352254).

The spelling of 331132023121121 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, twenty-three million, one hundred twenty-one thousand, one hundred twenty-one".