221002102222103 has 16 divisors (see below), whose sum is σ = 233985775680000. Its totient is φ = 208156466814912.

The previous prime is 221002102222093. The next prime is 221002102222147. The reversal of 221002102222103 is 301222201200122.

It is a cyclic number.

It is not a de Polignac number, because 221002102222103 - 2¹⁸ = 221002101959959 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 (221002102222303) 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, 36637553 + ... + 42241146.

It is an arithmetic number, because the mean of its divisors is an integer number (14624110980000).

Almost surely, 2^{221002102222103} is an apocalyptic number.

221002102222103 is a deficient number, since it is larger than the sum of its proper divisors (12983673457897).

221002102222103 is a wasteful number, since it uses less digits than its factorization.

221002102222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78879574.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221002102222103 its reverse (301222201200122), we get a palindrome (522224303422225).

The spelling of 221002102222103 in words is "two hundred twenty-one trillion, two billion, one hundred two million, two hundred twenty-two thousand, one hundred three".