210011110103 has 2 divisors, whose sum is σ = 210011110104. Its totient is φ = 210011110102.

The previous prime is 210011110031. The next prime is 210011110139. The reversal of 210011110103 is 301011110012.

It is a happy number.

Together with previous prime (210011110031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011110103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011110163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005555051 + 105005555052.

It is an arithmetic number, because the mean of its divisors is an integer number (105005555052).

Almost surely, 2^210011110103 is an apocalyptic number.

210011110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011110103 is an equidigital number, since it uses as much as digits as its factorization.

210011110103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 210011110103 its reverse (301011110012), we get a palindrome (511022220115).

Subtracting 210011110103 from its reverse (301011110012), we obtain a palindrome (90999999909).

The spelling of 210011110103 in words is "two hundred ten billion, eleven million, one hundred ten thousand, one hundred three".