221330203223 has 8 divisors (see below), whose sum is σ = 237847383792. Its totient is φ = 205201662336.

The previous prime is 221330203147. The next prime is 221330203229. The reversal of 221330203223 is 322302033122.

221330203223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221330203223 - 2¹⁰ = 221330202199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330203229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97158740 + ... + 97161017.

It is an arithmetic number, because the mean of its divisors is an integer number (29730922974).

Almost surely, 2^221330203223 is an apocalyptic number.

221330203223 is a deficient number, since it is larger than the sum of its proper divisors (16517180569).

221330203223 is a wasteful number, since it uses less digits than its factorization.

221330203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194319841.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 221330203223 its reverse (322302033122), we get a palindrome (543632236345).

The spelling of 221330203223 in words is "two hundred twenty-one billion, three hundred thirty million, two hundred three thousand, two hundred twenty-three".