221002221120103 has 16 divisors (see below), whose sum is σ = 226588771209600. Its totient is φ = 215452565692416.

The previous prime is 221002221120061. The next prime is 221002221120127. The reversal of 221002221120103 is 301021122200122.

It is a de Polignac number, because none of the positive numbers 2^k-221002221120103 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 (221002221120143) 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, 484055173 + ... + 484511521.

It is an arithmetic number, because the mean of its divisors is an integer number (14161798200600).

Almost surely, 2^{221002221120103} is an apocalyptic number.

221002221120103 is a deficient number, since it is larger than the sum of its proper divisors (5586550089497).

221002221120103 is a wasteful number, since it uses less digits than its factorization.

221002221120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496746.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221002221120103 its reverse (301021122200122), we get a palindrome (522023343320225).

The spelling of 221002221120103 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred three".