211030113103 has 2 divisors, whose sum is σ = 211030113104. Its totient is φ = 211030113102.

The previous prime is 211030113017. The next prime is 211030113109. The reversal of 211030113103 is 301311030112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211030113103 - 2²⁵ = 210996558671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211030113109) 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, 105515056551 + 105515056552.

It is an arithmetic number, because the mean of its divisors is an integer number (105515056552).

Almost surely, 2^211030113103 is an apocalyptic number.

211030113103 is a deficient number, since it is larger than the sum of its proper divisors (1).

211030113103 is an equidigital number, since it uses as much as digits as its factorization.

211030113103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 211030113103 its reverse (301311030112), we get a palindrome (512341143215).

The spelling of 211030113103 in words is "two hundred eleven billion, thirty million, one hundred thirteen thousand, one hundred three".