11121241243 has 12 divisors (see below), whose sum is σ = 12960898032. Its totient is φ = 9514849680.

The previous prime is 11121241223. The next prime is 11121241249. The reversal of 11121241243 is 34214212111.

11121241243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11121241243 - 2⁵ = 11121241211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121241249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183255 + ... + 236272.

It is an arithmetic number, because the mean of its divisors is an integer number (1080074836).

Almost surely, 2^11121241243 is an apocalyptic number.

11121241243 is a deficient number, since it is larger than the sum of its proper divisors (1839656789).

11121241243 is an equidigital number, since it uses as much as digits as its factorization.

11121241243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420082 (or 420075 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 11121241243 its reverse (34214212111), we get a palindrome (45335453354).

The spelling of 11121241243 in words is "eleven billion, one hundred twenty-one million, two hundred forty-one thousand, two hundred forty-three".