212222102243 has 2 divisors, whose sum is σ = 212222102244. Its totient is φ = 212222102242.

The previous prime is 212222102189. The next prime is 212222102269. The reversal of 212222102243 is 342201222212.

212222102243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212222102243 - 2⁶ = 212222102179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212222105243) 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, 106111051121 + 106111051122.

It is an arithmetic number, because the mean of its divisors is an integer number (106111051122).

Almost surely, 2^212222102243 is an apocalyptic number.

212222102243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222102243 is an equidigital number, since it uses as much as digits as its factorization.

212222102243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212222102243 its reverse (342201222212), we get a palindrome (554423324455).

The spelling of 212222102243 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred forty-three".