331122113131121 has 8 divisors (see below), whose sum is σ = 356594880762624. Its totient is φ = 305649607764240.

The previous prime is 331122113131093. The next prime is 331122113131123. The reversal of 331122113131121 is 121131311221133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331122113131121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331122113131123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62940035 + ... + 67997736.

It is an arithmetic number, because the mean of its divisors is an integer number (44574360095328).

Almost surely, 2^{331122113131121} is an apocalyptic number.

It is an amenable number.

331122113131121 is a deficient number, since it is larger than the sum of its proper divisors (25472767631503).

331122113131121 is a wasteful number, since it uses less digits than its factorization.

331122113131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131132311.

The product of its digits is 648, while the sum is 26.

Adding to 331122113131121 its reverse (121131311221133), we get a palindrome (452253424352254).

The spelling of 331122113131121 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-one".