211011222211 has 2 divisors, whose sum is σ = 211011222212. Its totient is φ = 211011222210.

The previous prime is 211011222203. The next prime is 211011222217. The reversal of 211011222211 is 112222110112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211011222211 - 2³ = 211011222203 is a prime.

It is not a weakly prime, because it can be changed into another prime (211011222217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505611105 + 105505611106.

It is an arithmetic number, because the mean of its divisors is an integer number (105505611106).

Almost surely, 2^211011222211 is an apocalyptic number.

211011222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011222211 is an equidigital number, since it uses as much as digits as its factorization.

211011222211 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 211011222211 its reverse (112222110112), we get a palindrome (323233332323).

The spelling of 211011222211 in words is "two hundred eleven billion, eleven million, two hundred twenty-two thousand, two hundred eleven".