211200101111 has 2 divisors, whose sum is σ = 211200101112. Its totient is φ = 211200101110.

The previous prime is 211200101089. The next prime is 211200101113. The reversal of 211200101111 is 111101002112.

211200101111 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 211200101111 - 2²⁶ = 211132992247 is a prime.

Together with 211200101113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211200101092 and 211200101101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211200101113) 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, 105600050555 + 105600050556.

It is an arithmetic number, because the mean of its divisors is an integer number (105600050556).

Almost surely, 2^211200101111 is an apocalyptic number.

211200101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

211200101111 is an equidigital number, since it uses as much as digits as its factorization.

211200101111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211200101111 its reverse (111101002112), we get a palindrome (322301103223).

The spelling of 211200101111 in words is "two hundred eleven billion, two hundred million, one hundred one thousand, one hundred eleven".