212112220200103 has 2 divisors, whose sum is σ = 212112220200104. Its totient is φ = 212112220200102.

The previous prime is 212112220200091. The next prime is 212112220200119. The reversal of 212112220200103 is 301002022211212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212112220200103 - 2⁹ = 212112220199591 is a prime.

It is a super-3 number, since 3×212112220200103³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112220200143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056110100051 + 106056110100052.

It is an arithmetic number, because the mean of its divisors is an integer number (106056110100052).

Almost surely, 2^{212112220200103} is an apocalyptic number.

212112220200103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112220200103 is an equidigital number, since it uses as much as digits as its factorization.

212112220200103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212112220200103 its reverse (301002022211212), we get a palindrome (513114242411315).

The spelling of 212112220200103 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty million, two hundred thousand, one hundred three".