221301012223 has 8 divisors (see below), whose sum is σ = 229210951680. Its totient is φ = 213409664160.

The previous prime is 221301012139. The next prime is 221301012239. The reversal of 221301012223 is 322210103122.

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

It is a cyclic number.

It is not a de Polignac number, because 221301012223 - 2³⁷ = 83862058751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221301012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221301012923) 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 7 ways as a sum of consecutive naturals, for example, 4623615 + ... + 4671232.

It is an arithmetic number, because the mean of its divisors is an integer number (28651368960).

Almost surely, 2^221301012223 is an apocalyptic number.

221301012223 is a deficient number, since it is larger than the sum of its proper divisors (7909939457).

221301012223 is an equidigital number, since it uses as much as digits as its factorization.

221301012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295697.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221301012223 its reverse (322210103122), we get a palindrome (543511115345).

The spelling of 221301012223 in words is "two hundred twenty-one billion, three hundred one million, twelve thousand, two hundred twenty-three".