199211 has 2 divisors, whose sum is σ = 199212. Its totient is φ = 199210.

The previous prime is 199207. The next prime is 199247. The reversal of 199211 is 112991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199211 - 2² = 199207 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (199261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99605 + 99606.

It is an arithmetic number, because the mean of its divisors is an integer number (99606).

2¹⁹⁹²¹¹ is an apocalyptic number.

199211 is a deficient number, since it is larger than the sum of its proper divisors (1).

199211 is an equidigital number, since it uses as much as digits as its factorization.

199211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 23.

The square root of 199211 is about 446.3305949630. The cubic root of 199211 is about 58.4033517498.

It can be divided in two parts, 1992 and 11, that multiplied together give a palindrome (21912).

The spelling of 199211 in words is "one hundred ninety-nine thousand, two hundred eleven".