221103104 has 22 divisors (see below), whose sum is σ = 441992334. Its totient is φ = 110551040.

The previous prime is 221103079. The next prime is 221103131. The reversal of 221103104 is 401301122.

221103104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 220463104 + 640000 = 14848^2 + 800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106937 + ... + 108984.

Almost surely, 2^221103104 is an apocalyptic number.

It is an amenable number.

221103104 is a deficient number, since it is larger than the sum of its proper divisors (220889230).

221103104 is an equidigital number, since it uses as much as digits as its factorization.

221103104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215941 (or 215923 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 221103104 is about 14869.5361057432. The cubic root of 221103104 is about 604.6883662459.

Adding to 221103104 its reverse (401301122), we get a palindrome (622404226).

The spelling of 221103104 in words is "two hundred twenty-one million, one hundred three thousand, one hundred four".