20112003230203 has 2 divisors, whose sum is σ = 20112003230204. Its totient is φ = 20112003230202.

The previous prime is 20112003230171. The next prime is 20112003230213. The reversal of 20112003230203 is 30203230021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112003230203 - 2⁵ = 20112003230171 is a prime.

It is a super-2 number, since 2×20112003230203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20112003230213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056001615101 + 10056001615102.

It is an arithmetic number, because the mean of its divisors is an integer number (10056001615102).

Almost surely, 2^{20112003230203} is an apocalyptic number.

20112003230203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112003230203 is an equidigital number, since it uses as much as digits as its factorization.

20112003230203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20112003230203 its reverse (30203230021102), we get a palindrome (50315233251305).

The spelling of 20112003230203 in words is "twenty trillion, one hundred twelve billion, three million, two hundred thirty thousand, two hundred three".