211010211211 has 2 divisors, whose sum is σ = 211010211212. Its totient is φ = 211010211210.

The previous prime is 211010211187. The next prime is 211010211277. The reversal of 211010211211 is 112112010112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211010211211 - 2²⁹ = 210473340299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211010211191 and 211010211200.

It is not a weakly prime, because it can be changed into another prime (211010211611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505105605 + 105505105606.

It is an arithmetic number, because the mean of its divisors is an integer number (105505105606).

Almost surely, 2^211010211211 is an apocalyptic number.

211010211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010211211 is an equidigital number, since it uses as much as digits as its factorization.

211010211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211010211211 its reverse (112112010112), we get a palindrome (323122221323).

The spelling of 211010211211 in words is "two hundred eleven billion, ten million, two hundred eleven thousand, two hundred eleven".