221100130103 has 2 divisors, whose sum is σ = 221100130104. Its totient is φ = 221100130102.

The previous prime is 221100130079. The next prime is 221100130177. The reversal of 221100130103 is 301031001122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221100130103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100130193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550065051 + 110550065052.

It is an arithmetic number, because the mean of its divisors is an integer number (110550065052).

Almost surely, 2^221100130103 is an apocalyptic number.

221100130103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100130103 is an equidigital number, since it uses as much as digits as its factorization.

221100130103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 221100130103 its reverse (301031001122), we get a palindrome (522131131225).

The spelling of 221100130103 in words is "two hundred twenty-one billion, one hundred million, one hundred thirty thousand, one hundred three".