214312211 has 2 divisors, whose sum is σ = 214312212. Its totient is φ = 214312210.

The previous prime is 214312193. The next prime is 214312223. The reversal of 214312211 is 112213412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214312211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214312211.

It is not a weakly prime, because it can be changed into another prime (214312261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107156105 + 107156106.

It is an arithmetic number, because the mean of its divisors is an integer number (107156106).

Almost surely, 2^214312211 is an apocalyptic number.

214312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

214312211 is an equidigital number, since it uses as much as digits as its factorization.

214312211 is an evil number, because the sum of its binary digits is even.

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

The square root of 214312211 is about 14639.4061013417. The cubic root of 214312211 is about 598.4331442409.

Adding to 214312211 its reverse (112213412), we get a palindrome (326525623).

The spelling of 214312211 in words is "two hundred fourteen million, three hundred twelve thousand, two hundred eleven".