211310222311 has 2 divisors, whose sum is σ = 211310222312. Its totient is φ = 211310222310.

The previous prime is 211310222303. The next prime is 211310222327. The reversal of 211310222311 is 113222013112.

211310222311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211310222311 - 2³ = 211310222303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211310222911) 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, 105655111155 + 105655111156.

It is an arithmetic number, because the mean of its divisors is an integer number (105655111156).

Almost surely, 2^211310222311 is an apocalyptic number.

211310222311 is a deficient number, since it is larger than the sum of its proper divisors (1).

211310222311 is an equidigital number, since it uses as much as digits as its factorization.

211310222311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211310222311 its reverse (113222013112), we get a palindrome (324532235423).

The spelling of 211310222311 in words is "two hundred eleven billion, three hundred ten million, two hundred twenty-two thousand, three hundred eleven".