211311430102211 has 2 divisors, whose sum is σ = 211311430102212. Its totient is φ = 211311430102210.

The previous prime is 211311430102207. The next prime is 211311430102217. The reversal of 211311430102211 is 112201034113112.

211311430102211 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 211311430102211 - 2² = 211311430102207 is a prime.

It is not a weakly prime, because it can be changed into another prime (211311430102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655715051105 + 105655715051106.

It is an arithmetic number, because the mean of its divisors is an integer number (105655715051106).

Almost surely, 2^{211311430102211} is an apocalyptic number.

211311430102211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211311430102211 is an equidigital number, since it uses as much as digits as its factorization.

211311430102211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 211311430102211 its reverse (112201034113112), we get a palindrome (323512464215323).

The spelling of 211311430102211 in words is "two hundred eleven trillion, three hundred eleven billion, four hundred thirty million, one hundred two thousand, two hundred eleven".