33043204121 has 4 divisors (see below), whose sum is σ = 33364012032. Its totient is φ = 32722396212.

The previous prime is 33043204097. The next prime is 33043204123. The reversal of 33043204121 is 12140234033.

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 33043204121 - 2¹⁰ = 33043203097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33043204123) 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, 160403801 + ... + 160404006.

It is an arithmetic number, because the mean of its divisors is an integer number (8341003008).

Almost surely, 2^33043204121 is an apocalyptic number.

It is an amenable number.

33043204121 is a deficient number, since it is larger than the sum of its proper divisors (320807911).

33043204121 is a wasteful number, since it uses less digits than its factorization.

33043204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320807910.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33043204121 its reverse (12140234033), we get a palindrome (45183438154).

The spelling of 33043204121 in words is "thirty-three billion, forty-three million, two hundred four thousand, one hundred twenty-one".