211210100211211 has 2 divisors, whose sum is σ = 211210100211212. Its totient is φ = 211210100211210.

The previous prime is 211210100211203. The next prime is 211210100211221. The reversal of 211210100211211 is 112112001012112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211210100211211 - 2³ = 211210100211203 is a prime.

It is not a weakly prime, because it can be changed into another prime (211210100211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605050105605 + 105605050105606.

It is an arithmetic number, because the mean of its divisors is an integer number (105605050105606).

Almost surely, 2^{211210100211211} is an apocalyptic number.

211210100211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210100211211 is an equidigital number, since it uses as much as digits as its factorization.

211210100211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 211210100211211 its reverse (112112001012112), we get a palindrome (323322101223323).

The spelling of 211210100211211 in words is "two hundred eleven trillion, two hundred ten billion, one hundred million, two hundred eleven thousand, two hundred eleven".