221313103 has 16 divisors (see below), whose sum is σ = 244518912. Its totient is φ = 198640000.

The previous prime is 221313101. The next prime is 221313133. The reversal of 221313103 is 301313122.

It is a cyclic number.

It is not a de Polignac number, because 221313103 - 2¹ = 221313101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551703 + ... + 552103.

It is an arithmetic number, because the mean of its divisors is an integer number (15282432).

Almost surely, 2^221313103 is an apocalyptic number.

221313103 is a deficient number, since it is larger than the sum of its proper divisors (23205809).

221313103 is a wasteful number, since it uses less digits than its factorization.

221313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 221313103 is about 14876.5958135590. The cubic root of 221313103 is about 604.8797456957.

Adding to 221313103 its reverse (301313122), we get a palindrome (522626225).

The spelling of 221313103 in words is "two hundred twenty-one million, three hundred thirteen thousand, one hundred three".