221033323012111 has 8 divisors (see below), whose sum is σ = 234036352494720. Its totient is φ = 208030412341248.

The previous prime is 221033323012097. The next prime is 221033323012123. The reversal of 221033323012111 is 111210323330122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221033323012111 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 (221033323012811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25858546 + ... + 33327631.

It is an arithmetic number, because the mean of its divisors is an integer number (29254544061840).

Almost surely, 2^{221033323012111} is an apocalyptic number.

221033323012111 is a deficient number, since it is larger than the sum of its proper divisors (13003029482609).

221033323012111 is a wasteful number, since it uses less digits than its factorization.

221033323012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59405873.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221033323012111 its reverse (111210323330122), we get a palindrome (332243646342233).

The spelling of 221033323012111 in words is "two hundred twenty-one trillion, thirty-three billion, three hundred twenty-three million, twelve thousand, one hundred eleven".