33122123121 has 4 divisors (see below), whose sum is σ = 44162830832. Its totient is φ = 22081415412.

The previous prime is 33122123093. The next prime is 33122123123. The reversal of 33122123121 is 12132122133.

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 not a de Polignac number, because 33122123121 - 2⁷ = 33122122993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33122123123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520353851 + ... + 5520353856.

It is an arithmetic number, because the mean of its divisors is an integer number (11040707708).

Almost surely, 2^33122123121 is an apocalyptic number.

It is an amenable number.

33122123121 is a deficient number, since it is larger than the sum of its proper divisors (11040707711).

33122123121 is a wasteful number, since it uses less digits than its factorization.

33122123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040707710.

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

Adding to 33122123121 its reverse (12132122133), we get a palindrome (45254245254).

The spelling of 33122123121 in words is "thirty-three billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty-one".