212211030223 has 2 divisors, whose sum is σ = 212211030224. Its totient is φ = 212211030222.

The previous prime is 212211030217. The next prime is 212211030233. The reversal of 212211030223 is 322030112212.

212211030223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211030223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211030223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212211030233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105515111 + 106105515112.

It is an arithmetic number, because the mean of its divisors is an integer number (106105515112).

Almost surely, 2^212211030223 is an apocalyptic number.

212211030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211030223 is an equidigital number, since it uses as much as digits as its factorization.

212211030223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212211030223 its reverse (322030112212), we get a palindrome (534241142435).

The spelling of 212211030223 in words is "two hundred twelve billion, two hundred eleven million, thirty thousand, two hundred twenty-three".