211113101113 has 2 divisors, whose sum is σ = 211113101114. Its totient is φ = 211113101112.

The previous prime is 211113101083. The next prime is 211113101249. The reversal of 211113101113 is 311101311112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165431733289 + 45681367824 = 406733^2 + 213732^2 .

It is a cyclic number.

It is not a de Polignac number, because 211113101113 - 2⁵ = 211113101081 is a prime.

It is not a weakly prime, because it can be changed into another prime (211113102113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556550556 + 105556550557.

It is an arithmetic number, because the mean of its divisors is an integer number (105556550557).

Almost surely, 2^211113101113 is an apocalyptic number.

It is an amenable number.

211113101113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113101113 is an equidigital number, since it uses as much as digits as its factorization.

211113101113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 211113101113 its reverse (311101311112), we get a palindrome (522214412225).

The spelling of 211113101113 in words is "two hundred eleven billion, one hundred thirteen million, one hundred one thousand, one hundred thirteen".