11121303230243 has 2 divisors, whose sum is σ = 11121303230244. Its totient is φ = 11121303230242.

The previous prime is 11121303230209. The next prime is 11121303230263. The reversal of 11121303230243 is 34203230312111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121303230243 - 2⁶ = 11121303230179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121303230263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560651615121 + 5560651615122.

It is an arithmetic number, because the mean of its divisors is an integer number (5560651615122).

Almost surely, 2^{11121303230243} is an apocalyptic number.

11121303230243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121303230243 is an equidigital number, since it uses as much as digits as its factorization.

11121303230243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11121303230243 its reverse (34203230312111), we get a palindrome (45324533542354).

The spelling of 11121303230243 in words is "eleven trillion, one hundred twenty-one billion, three hundred three million, two hundred thirty thousand, two hundred forty-three".