33121022113 has 4 divisors (see below), whose sum is σ = 33125660928. Its totient is φ = 33116383300.

The previous prime is 33121022101. The next prime is 33121022117. The reversal of 33121022113 is 31122012133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33121022113 - 2⁹ = 33121021601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121022117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308681 + ... + 2322982.

It is an arithmetic number, because the mean of its divisors is an integer number (8281415232).

Almost surely, 2^33121022113 is an apocalyptic number.

It is an amenable number.

33121022113 is a deficient number, since it is larger than the sum of its proper divisors (4638815).

33121022113 is an equidigital number, since it uses as much as digits as its factorization.

33121022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638814.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33121022113 its reverse (31122012133), we get a palindrome (64243034246).

The spelling of 33121022113 in words is "thirty-three billion, one hundred twenty-one million, twenty-two thousand, one hundred thirteen".