211101010103 has 2 divisors, whose sum is σ = 211101010104. Its totient is φ = 211101010102.

The previous prime is 211101010079. The next prime is 211101010121. The reversal of 211101010103 is 301010101112.

It is a happy number.

211101010103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211101010103 - 2¹⁸ = 211100747959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211101012103) 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, 105550505051 + 105550505052.

It is an arithmetic number, because the mean of its divisors is an integer number (105550505052).

Almost surely, 2^211101010103 is an apocalyptic number.

211101010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211101010103 is an equidigital number, since it uses as much as digits as its factorization.

211101010103 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 211101010103 its reverse (301010101112), we get a palindrome (512111111215).

The spelling of 211101010103 in words is "two hundred eleven billion, one hundred one million, ten thousand, one hundred three".