11242330021 has 4 divisors (see below), whose sum is σ = 12107124652. Its totient is φ = 10377535392.

The previous prime is 11242330007. The next prime is 11242330031. The reversal of 11242330021 is 12003324211.

It is a happy number.

11242330021 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 6318501121 + 4923828900 = 79489^2 + 70170^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242330021 - 2⁹ = 11242329509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242330031) 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, 432397296 + ... + 432397321.

It is an arithmetic number, because the mean of its divisors is an integer number (3026781163).

Almost surely, 2^11242330021 is an apocalyptic number.

It is an amenable number.

11242330021 is a deficient number, since it is larger than the sum of its proper divisors (864794631).

11242330021 is an equidigital number, since it uses as much as digits as its factorization.

11242330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864794630.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11242330021 its reverse (12003324211), we get a palindrome (23245654232).

The spelling of 11242330021 in words is "eleven billion, two hundred forty-two million, three hundred thirty thousand, twenty-one".