211114243 has 2 divisors, whose sum is σ = 211114244. Its totient is φ = 211114242.

The previous prime is 211114231. The next prime is 211114249. The reversal of 211114243 is 342411112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211114243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211114243.

It is not a weakly prime, because it can be changed into another prime (211114249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105557121 + 105557122.

It is an arithmetic number, because the mean of its divisors is an integer number (105557122).

Almost surely, 2^211114243 is an apocalyptic number.

211114243 is a deficient number, since it is larger than the sum of its proper divisors (1).

211114243 is an equidigital number, since it uses as much as digits as its factorization.

211114243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 211114243 is about 14529.7709204240. The cubic root of 211114243 is about 595.4416070512.

Adding to 211114243 its reverse (342411112), we get a palindrome (553525355).

The spelling of 211114243 in words is "two hundred eleven million, one hundred fourteen thousand, two hundred forty-three".