11011320230203 has 2 divisors, whose sum is σ = 11011320230204. Its totient is φ = 11011320230202.

The previous prime is 11011320230149. The next prime is 11011320230219. The reversal of 11011320230203 is 30203202311011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011320230203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011320230263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505660115101 + 5505660115102.

It is an arithmetic number, because the mean of its divisors is an integer number (5505660115102).

Almost surely, 2^{11011320230203} is an apocalyptic number.

11011320230203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011320230203 is an equidigital number, since it uses as much as digits as its factorization.

11011320230203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11011320230203 its reverse (30203202311011), we get a palindrome (41214522541214).

The spelling of 11011320230203 in words is "eleven trillion, eleven billion, three hundred twenty million, two hundred thirty thousand, two hundred three".