203112011203 has 2 divisors, whose sum is σ = 203112011204. Its totient is φ = 203112011202.

The previous prime is 203112011183. The next prime is 203112011209. The reversal of 203112011203 is 302110211302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203112011203 - 2¹⁷ = 203111880131 is a prime.

It is not a weakly prime, because it can be changed into another prime (203112011209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556005601 + 101556005602.

It is an arithmetic number, because the mean of its divisors is an integer number (101556005602).

Almost surely, 2^203112011203 is an apocalyptic number.

203112011203 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112011203 is an equidigital number, since it uses as much as digits as its factorization.

203112011203 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 203112011203 its reverse (302110211302), we get a palindrome (505222222505).

The spelling of 203112011203 in words is "two hundred three billion, one hundred twelve million, eleven thousand, two hundred three".