33121112043 has 4 divisors (see below), whose sum is σ = 44161482728. Its totient is φ = 22080741360.

The previous prime is 33121111987. The next prime is 33121112071. The reversal of 33121112043 is 34021112133.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33121112043 - 2⁶ = 33121111979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121112243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520185338 + ... + 5520185343.

It is an arithmetic number, because the mean of its divisors is an integer number (11040370682).

Almost surely, 2^33121112043 is an apocalyptic number.

33121112043 is a deficient number, since it is larger than the sum of its proper divisors (11040370685).

33121112043 is a wasteful number, since it uses less digits than its factorization.

33121112043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040370684.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 33121112043 its reverse (34021112133), we get a palindrome (67142224176).

The spelling of 33121112043 in words is "thirty-three billion, one hundred twenty-one million, one hundred twelve thousand, forty-three".