331132011121 has 2 divisors, whose sum is σ = 331132011122. Its totient is φ = 331132011120.

The previous prime is 331132011097. The next prime is 331132011157. The reversal of 331132011121 is 121110231133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295386815025 + 35745196096 = 543495^2 + 189064^2 .

It is a cyclic number.

It is not a de Polignac number, because 331132011121 - 2³³ = 322542076529 is a prime.

It is not a weakly prime, because it can be changed into another prime (331132011181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566005560 + 165566005561.

It is an arithmetic number, because the mean of its divisors is an integer number (165566005561).

Almost surely, 2^331132011121 is an apocalyptic number.

It is an amenable number.

331132011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132011121 is an equidigital number, since it uses as much as digits as its factorization.

331132011121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 331132011121 its reverse (121110231133), we get a palindrome (452242242254).

The spelling of 331132011121 in words is "three hundred thirty-one billion, one hundred thirty-two million, eleven thousand, one hundred twenty-one".