212011212211 has 2 divisors, whose sum is σ = 212011212212. Its totient is φ = 212011212210.

The previous prime is 212011212199. The next prime is 212011212227. The reversal of 212011212211 is 112212110212.

It is an a-pointer prime, because the next prime (212011212227) can be obtained adding 212011212211 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212011212211 - 2¹⁹ = 212010687923 is a prime.

It is not a weakly prime, because it can be changed into another prime (212011212251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005606105 + 106005606106.

It is an arithmetic number, because the mean of its divisors is an integer number (106005606106).

Almost surely, 2^212011212211 is an apocalyptic number.

212011212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011212211 is an equidigital number, since it uses as much as digits as its factorization.

212011212211 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 212011212211 its reverse (112212110212), we get a palindrome (324223322423).

The spelling of 212011212211 in words is "two hundred twelve billion, eleven million, two hundred twelve thousand, two hundred eleven".