331122113131211 has 16 divisors (see below), whose sum is σ = 331813103322624. Its totient is φ = 330431767926624.

The previous prime is 331122113131207. The next prime is 331122113131241. The reversal of 331122113131211 is 112131311221133.

It is a cyclic number.

It is not a de Polignac number, because 331122113131211 - 2² = 331122113131207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331122113131241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12860596640 + ... + 12860622386.

It is an arithmetic number, because the mean of its divisors is an integer number (20738318957664).

Almost surely, 2^{331122113131211} is an apocalyptic number.

331122113131211 is a deficient number, since it is larger than the sum of its proper divisors (690990191413).

331122113131211 is a wasteful number, since it uses less digits than its factorization.

331122113131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37250.

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

Adding to 331122113131211 its reverse (112131311221133), we get a palindrome (443253424352344).

The spelling of 331122113131211 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred eleven".