33221000123 has 4 divisors (see below), whose sum is σ = 33222433920. Its totient is φ = 33219566328.

The previous prime is 33221000077. The next prime is 33221000147. The reversal of 33221000123 is 32100012233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32100012233 = 587 ⋅54684859.

It is a cyclic number.

It is not a de Polignac number, because 33221000123 - 2¹⁰ = 33220999099 is a prime.

It is a super-2 number, since 2×33221000123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221000723) 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, 681563 + ... + 728676.

It is an arithmetic number, because the mean of its divisors is an integer number (8305608480).

Almost surely, 2^33221000123 is an apocalyptic number.

33221000123 is a deficient number, since it is larger than the sum of its proper divisors (1433797).

33221000123 is a wasteful number, since it uses less digits than its factorization.

33221000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433796.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33221000123 its reverse (32100012233), we get a palindrome (65321012356).

The spelling of 33221000123 in words is "thirty-three billion, two hundred twenty-one million, one hundred twenty-three", and thus it is an aban number.