214213211 has 4 divisors (see below), whose sum is σ = 214276992. Its totient is φ = 214149432.

The previous prime is 214213187. The next prime is 214213217. The reversal of 214213211 is 112312412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214213211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214213211.

It is not an unprimeable number, because it can be changed into a prime (214213217) 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 in 3 ways as a sum of consecutive naturals, for example, 26555 + ... + 33668.

It is an arithmetic number, because the mean of its divisors is an integer number (53569248).

Almost surely, 2^214213211 is an apocalyptic number.

214213211 is a deficient number, since it is larger than the sum of its proper divisors (63781).

214213211 is an equidigital number, since it uses as much as digits as its factorization.

214213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63780.

The product of its digits is 96, while the sum is 17.

The square root of 214213211 is about 14636.0244260523. The cubic root of 214213211 is about 598.3409827382.

Adding to 214213211 its reverse (112312412), we get a palindrome (326525623).

The spelling of 214213211 in words is "two hundred fourteen million, two hundred thirteen thousand, two hundred eleven".