210112211 has 2 divisors, whose sum is σ = 210112212. Its totient is φ = 210112210.

The previous prime is 210112207. The next prime is 210112213. The reversal of 210112211 is 112211012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210112211 - 2² = 210112207 is a prime.

It is a super-2 number, since 2×210112211² = 88294282422617042, which contains 22 as substring.

Together with 210112213, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 210112192 and 210112201.

It is not a weakly prime, because it can be changed into another prime (210112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056105 + 105056106.

It is an arithmetic number, because the mean of its divisors is an integer number (105056106).

Almost surely, 2^210112211 is an apocalyptic number.

210112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112211 is an equidigital number, since it uses as much as digits as its factorization.

210112211 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 11.

The square root of 210112211 is about 14495.2478764594. The cubic root of 210112211 is about 594.4980452231.

Adding to 210112211 its reverse (112211012), we get a palindrome (322323223).

The spelling of 210112211 in words is "two hundred ten million, one hundred twelve thousand, two hundred eleven".