331121099999 has 16 divisors (see below), whose sum is σ = 333379694592. Its totient is φ = 328872992448.

The previous prime is 331121099963. The next prime is 331121100047. The reversal of 331121099999 is 999990121133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331121099999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121099299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104684192 + ... + 104687354.

It is an arithmetic number, because the mean of its divisors is an integer number (20836230912).

Almost surely, 2^331121099999 is an apocalyptic number.

331121099999 is a deficient number, since it is larger than the sum of its proper divisors (2258594593).

331121099999 is a wasteful number, since it uses less digits than its factorization.

331121099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606.

The product of its (nonzero) digits is 1062882, while the sum is 56.

The spelling of 331121099999 in words is "three hundred thirty-one billion, one hundred twenty-one million, ninety-nine thousand, nine hundred ninety-nine".