212211341 has 2 divisors, whose sum is σ = 212211342. Its totient is φ = 212211340.

The previous prime is 212211331. The next prime is 212211343. The reversal of 212211341 is 143112212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 94575625 = 10846^2 + 9725^2 .

It is a cyclic number.

It is not a de Polignac number, because 212211341 - 2⁶ = 212211277 is a prime.

It is a Sophie Germain prime.

Together with 212211343, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212211343) 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 as a sum of consecutive naturals, namely, 106105670 + 106105671.

It is an arithmetic number, because the mean of its divisors is an integer number (106105671).

Almost surely, 2^212211341 is an apocalyptic number.

It is an amenable number.

212211341 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211341 is an equidigital number, since it uses as much as digits as its factorization.

212211341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 212211341 is about 14567.4754504684. The cubic root of 212211341 is about 596.4712698649.

Adding to 212211341 its reverse (143112212), we get a palindrome (355323553).

The spelling of 212211341 in words is "two hundred twelve million, two hundred eleven thousand, three hundred forty-one".