221324003103 has 8 divisors (see below), whose sum is σ = 337255623808. Its totient is φ = 126470858904.

The previous prime is 221324003083. The next prime is 221324003141. The reversal of 221324003103 is 301300423122.

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

It is not a de Polignac number, because 221324003103 - 2¹⁸ = 221323740959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10539238243 = 221324003103 / (2 + 2 + 1 + 3 + 2 + 4 + 0 + 0 + 3 + 1 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221324003103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221324003143) 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, 5269619101 + ... + 5269619142.

It is an arithmetic number, because the mean of its divisors is an integer number (42156952976).

Almost surely, 2^221324003103 is an apocalyptic number.

221324003103 is a deficient number, since it is larger than the sum of its proper divisors (115931620705).

221324003103 is a wasteful number, since it uses less digits than its factorization.

221324003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539238253.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221324003103 its reverse (301300423122), we get a palindrome (522624426225).

The spelling of 221324003103 in words is "two hundred twenty-one billion, three hundred twenty-four million, three thousand, one hundred three".