33121131113 has 8 divisors (see below), whose sum is σ = 39844969920. Its totient is φ = 26895354480.

The previous prime is 33121131083. The next prime is 33121131157. The reversal of 33121131113 is 31113112133.

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

It is a cyclic number.

It is not a de Polignac number, because 33121131113 - 2⁸ = 33121130857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33121131413) 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 7 ways as a sum of consecutive naturals, for example, 124515398 + ... + 124515663.

It is an arithmetic number, because the mean of its divisors is an integer number (4980621240).

Almost surely, 2^33121131113 is an apocalyptic number.

It is an amenable number.

33121131113 is a deficient number, since it is larger than the sum of its proper divisors (6723838807).

33121131113 is a wasteful number, since it uses less digits than its factorization.

33121131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249031087.

The product of its digits is 162, while the sum is 20.

Adding to 33121131113 its reverse (31113112133), we get a palindrome (64234243246).

The spelling of 33121131113 in words is "thirty-three billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred thirteen".