203101212103 has 2 divisors, whose sum is σ = 203101212104. Its totient is φ = 203101212102.

The previous prime is 203101212089. The next prime is 203101212143. The reversal of 203101212103 is 301212101302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203101212103 - 2⁹ = 203101211591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203101212143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101550606051 + 101550606052.

It is an arithmetic number, because the mean of its divisors is an integer number (101550606052).

Almost surely, 2^203101212103 is an apocalyptic number.

203101212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

203101212103 is an equidigital number, since it uses as much as digits as its factorization.

203101212103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 203101212103 its reverse (301212101302), we get a palindrome (504313313405).

The spelling of 203101212103 in words is "two hundred three billion, one hundred one million, two hundred twelve thousand, one hundred three".