211341133 has 2 divisors, whose sum is σ = 211341134. Its totient is φ = 211341132.

The previous prime is 211341113. The next prime is 211341139. The reversal of 211341133 is 331143112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158080329 + 53260804 = 12573^2 + 7298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211341133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211341133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211341139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105670566 + 105670567.

It is an arithmetic number, because the mean of its divisors is an integer number (105670567).

Almost surely, 2^211341133 is an apocalyptic number.

It is an amenable number.

211341133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211341133 is an equidigital number, since it uses as much as digits as its factorization.

211341133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 211341133 is about 14537.5765862127. The cubic root of 211341133 is about 595.6548429036.

Adding to 211341133 its reverse (331143112), we get a palindrome (542484245).

The spelling of 211341133 in words is "two hundred eleven million, three hundred forty-one thousand, one hundred thirty-three".