221048103 has 8 divisors (see below), whose sum is σ = 294799600. Its totient is φ = 147331008.

The previous prime is 221048099. The next prime is 221048119. The reversal of 221048103 is 301840122.

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

It is not a de Polignac number, because 221048103 - 2² = 221048099 is a prime.

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 221048103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221048153) 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, 19713 + ... + 28821.

It is an arithmetic number, because the mean of its divisors is an integer number (36849950).

Almost surely, 2^221048103 is an apocalyptic number.

221048103 is a deficient number, since it is larger than the sum of its proper divisors (73751497).

221048103 is an equidigital number, since it uses as much as digits as its factorization.

221048103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17201.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 221048103 is about 14867.6865382614. The cubic root of 221048103 is about 604.6382218828.

Adding to 221048103 its reverse (301840122), we get a palindrome (522888225).

The spelling of 221048103 in words is "two hundred twenty-one million, forty-eight thousand, one hundred three".