33021120013 has 16 divisors (see below), whose sum is σ = 38372290560. Its totient is φ = 27832363776.

The previous prime is 33021119993. The next prime is 33021120029. The reversal of 33021120013 is 31002112033.

It is not a de Polignac number, because 33021120013 - 2⁵ = 33021119981 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 (33021120043) 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 15 ways as a sum of consecutive naturals, for example, 63898 + ... + 264811.

It is an arithmetic number, because the mean of its divisors is an integer number (2398268160).

Almost surely, 2^33021120013 is an apocalyptic number.

It is an amenable number.

33021120013 is a deficient number, since it is larger than the sum of its proper divisors (5351170547).

33021120013 is a wasteful number, since it uses less digits than its factorization.

33021120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328956.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33021120013 its reverse (31002112033), we get a palindrome (64023232046).

The spelling of 33021120013 in words is "thirty-three billion, twenty-one million, one hundred twenty thousand, thirteen".