211268 has 6 divisors (see below), whose sum is σ = 369726. Its totient is φ = 105632.

The previous prime is 211247. The next prime is 211271. The reversal of 211268 is 862112.

211268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107584 + 103684 = 328^2 + 322^2 .

It is an unprimeable number.

211268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26405 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (61621).

2²¹¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

211268 is a deficient number, since it is larger than the sum of its proper divisors (158458).

211268 is a wasteful number, since it uses less digits than its factorization.

211268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52821 (or 52819 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 211268 is about 459.6389887727. The cubic root of 211268 is about 59.5586127693.

The spelling of 211268 in words is "two hundred eleven thousand, two hundred sixty-eight".