212333121103 has 2 divisors, whose sum is σ = 212333121104. Its totient is φ = 212333121102.

The previous prime is 212333121073. The next prime is 212333121157. The reversal of 212333121103 is 301121333212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212333121103 - 2⁹ = 212333120591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212333121163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166560551 + 106166560552.

It is an arithmetic number, because the mean of its divisors is an integer number (106166560552).

Almost surely, 2^212333121103 is an apocalyptic number.

212333121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333121103 is an equidigital number, since it uses as much as digits as its factorization.

212333121103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212333121103 its reverse (301121333212), we get a palindrome (513454454315).

The spelling of 212333121103 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred three".