221244413103 has 12 divisors (see below), whose sum is σ = 365228872528. Its totient is φ = 126425378880.

The previous prime is 221244413083. The next prime is 221244413119. The reversal of 221244413103 is 301314442122.

221244413103 is a `hidden beast` number, since 2 + 2 + 1 + 244 + 413 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 221244413103 - 2⁹ = 221244412591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221244413123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1755907978 + ... + 1755908103.

Almost surely, 2^221244413103 is an apocalyptic number.

221244413103 is a deficient number, since it is larger than the sum of its proper divisors (143984459425).

221244413103 is a wasteful number, since it uses less digits than its factorization.

221244413103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511816094 (or 3511816091 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221244413103 its reverse (301314442122), we get a palindrome (522558855225).

The spelling of 221244413103 in words is "two hundred twenty-one billion, two hundred forty-four million, four hundred thirteen thousand, one hundred three".