211011200111 has 2 divisors, whose sum is σ = 211011200112. Its totient is φ = 211011200110.

The previous prime is 211011200093. The next prime is 211011200143. The reversal of 211011200111 is 111002110112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211011200111 - 2¹⁴ = 211011183727 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 211011200092 and 211011200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211010200111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505600055 + 105505600056.

It is an arithmetic number, because the mean of its divisors is an integer number (105505600056).

Almost surely, 2^211011200111 is an apocalyptic number.

211011200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011200111 is an equidigital number, since it uses as much as digits as its factorization.

211011200111 is an evil number, because the sum of its binary digits is even.

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

Adding to 211011200111 its reverse (111002110112), we get a palindrome (322013310223).

The spelling of 211011200111 in words is "two hundred eleven billion, eleven million, two hundred thousand, one hundred eleven".