221033323012109 has 12 divisors (see below), whose sum is σ = 240414140718720. Its totient is φ = 202645151811000.

The previous prime is 221033323012097. The next prime is 221033323012123. The reversal of 221033323012109 is 901210323330122.

It is not a de Polignac number, because 221033323012109 - 2³² = 221029028044813 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 (221033323012129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6052704317 + ... + 6052740834.

It is an arithmetic number, because the mean of its divisors is an integer number (20034511726560).

Almost surely, 2^{221033323012109} is an apocalyptic number.

It is an amenable number.

221033323012109 is a deficient number, since it is larger than the sum of its proper divisors (19380817706611).

221033323012109 is a wasteful number, since it uses less digits than its factorization.

221033323012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105445232 (or 12105445201 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 221033323012109 in words is "two hundred twenty-one trillion, thirty-three billion, three hundred twenty-three million, twelve thousand, one hundred nine".