211444012211 has 2 divisors, whose sum is σ = 211444012212. Its totient is φ = 211444012210.

The previous prime is 211444012159. The next prime is 211444012231. The reversal of 211444012211 is 112210444112.

211444012211 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 211444012211 - 2¹⁴ = 211443995827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (211444012231) 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, 105722006105 + 105722006106.

It is an arithmetic number, because the mean of its divisors is an integer number (105722006106).

Almost surely, 2^211444012211 is an apocalyptic number.

211444012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211444012211 is an equidigital number, since it uses as much as digits as its factorization.

211444012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211444012211 its reverse (112210444112), we get a palindrome (323654456323).

The spelling of 211444012211 in words is "two hundred eleven billion, four hundred forty-four million, twelve thousand, two hundred eleven".