211200100111 has 16 divisors (see below), whose sum is σ = 283569366528. Its totient is φ = 151912159200.

The previous prime is 211200100099. The next prime is 211200100121. The reversal of 211200100111 is 111001002112.

It is a cyclic number.

It is not a de Polignac number, because 211200100111 - 2⁷ = 211200099983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105493555 + ... + 105495556.

It is an arithmetic number, because the mean of its divisors is an integer number (17723085408).

Almost surely, 2^211200100111 is an apocalyptic number.

211200100111 is a deficient number, since it is larger than the sum of its proper divisors (72369266417).

211200100111 is a wasteful number, since it uses less digits than its factorization.

211200100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210989142.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211200100111 its reverse (111001002112), we get a palindrome (322201102223).

The spelling of 211200100111 in words is "two hundred eleven billion, two hundred million, one hundred thousand, one hundred eleven".