211101030103 has 2 divisors, whose sum is σ = 211101030104. Its totient is φ = 211101030102.

The previous prime is 211101030079. The next prime is 211101030163. The reversal of 211101030103 is 301030101112.

211101030103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211101030103 - 2⁵ = 211101030071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211101030163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550515051 + 105550515052.

It is an arithmetic number, because the mean of its divisors is an integer number (105550515052).

Almost surely, 2^211101030103 is an apocalyptic number.

211101030103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211101030103 is an equidigital number, since it uses as much as digits as its factorization.

211101030103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 211101030103 its reverse (301030101112), we get a palindrome (512131131215).

The spelling of 211101030103 in words is "two hundred eleven billion, one hundred one million, thirty thousand, one hundred three".