211100111103 has 16 divisors (see below), whose sum is σ = 324627522560. Its totient is φ = 119521948896.

The previous prime is 211100111063. The next prime is 211100111161. The reversal of 211100111103 is 301111001112.

It is not a de Polignac number, because 211100111103 - 2¹² = 211100107007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100111003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46109575 + ... + 46114152.

It is an arithmetic number, because the mean of its divisors is an integer number (20289220160).

Almost surely, 2^211100111103 is an apocalyptic number.

211100111103 is a deficient number, since it is larger than the sum of its proper divisors (113527411457).

211100111103 is a wasteful number, since it uses less digits than its factorization.

211100111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92223846.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 211100111103 its reverse (301111001112), we get a palindrome (512211112215).

The spelling of 211100111103 in words is "two hundred eleven billion, one hundred million, one hundred eleven thousand, one hundred three".