100111111103 has 2 divisors, whose sum is σ = 100111111104. Its totient is φ = 100111111102.

The previous prime is 100111111081. The next prime is 100111111109. The reversal of 100111111103 is 301111111001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111111103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111111109) 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, 50055555551 + 50055555552.

It is an arithmetic number, because the mean of its divisors is an integer number (50055555552).

Almost surely, 2^100111111103 is an apocalyptic number.

100111111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111111103 is an equidigital number, since it uses as much as digits as its factorization.

100111111103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 100111111103 its reverse (301111111001), we get a palindrome (401222222104).

The spelling of 100111111103 in words is "one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred three".