211012212211 has 2 divisors, whose sum is σ = 211012212212. Its totient is φ = 211012212210.

The previous prime is 211012212209. The next prime is 211012212217. The reversal of 211012212211 is 112212210112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211012212211 - 2¹ = 211012212209 is a prime.

Together with 211012212209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211012212217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506106105 + 105506106106.

It is an arithmetic number, because the mean of its divisors is an integer number (105506106106).

Almost surely, 2^211012212211 is an apocalyptic number.

211012212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012212211 is an equidigital number, since it uses as much as digits as its factorization.

211012212211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211012212211 its reverse (112212210112), we get a palindrome (323224422323).

The spelling of 211012212211 in words is "two hundred eleven billion, twelve million, two hundred twelve thousand, two hundred eleven".