211100323111 has 2 divisors, whose sum is σ = 211100323112. Its totient is φ = 211100323110.

The previous prime is 211100323103. The next prime is 211100323117. The reversal of 211100323111 is 111323001112.

It is a happy number.

211100323111 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 211100323111 - 2³ = 211100323103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211100323117) 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, 105550161555 + 105550161556.

It is an arithmetic number, because the mean of its divisors is an integer number (105550161556).

Almost surely, 2^211100323111 is an apocalyptic number.

211100323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100323111 is an equidigital number, since it uses as much as digits as its factorization.

211100323111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211100323111 its reverse (111323001112), we get a palindrome (322423324223).

The spelling of 211100323111 in words is "two hundred eleven billion, one hundred million, three hundred twenty-three thousand, one hundred eleven".