11121303233 has 4 divisors (see below), whose sum is σ = 11121694548. Its totient is φ = 11120911920.

The previous prime is 11121303211. The next prime is 11121303251. The reversal of 11121303233 is 33230312111.

11121303233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351637504 + 10769665729 = 18752^2 + 103777^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121303233 - 2⁶ = 11121303169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121303203) 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 3 ways as a sum of consecutive naturals, for example, 149378 + ... + 211083.

It is an arithmetic number, because the mean of its divisors is an integer number (2780423637).

Almost surely, 2^11121303233 is an apocalyptic number.

It is an amenable number.

11121303233 is a deficient number, since it is larger than the sum of its proper divisors (391315).

11121303233 is an equidigital number, since it uses as much as digits as its factorization.

11121303233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391314.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11121303233 its reverse (33230312111), we get a palindrome (44351615344).

The spelling of 11121303233 in words is "eleven billion, one hundred twenty-one million, three hundred three thousand, two hundred thirty-three".