11242044423221 has 4 divisors (see below), whose sum is σ = 11629701127500. Its totient is φ = 10854387718944.

The previous prime is 11242044423161. The next prime is 11242044423241. The reversal of 11242044423221 is 12232444024211.

11242044423221 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 8454777444100 + 2787266979121 = 2907710^2 + 1669511^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242044423221 - 2¹⁰ = 11242044422197 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 (11242044423241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193828352096 + ... + 193828352153.

It is an arithmetic number, because the mean of its divisors is an integer number (2907425281875).

Almost surely, 2^{11242044423221} is an apocalyptic number.

It is an amenable number.

11242044423221 is a deficient number, since it is larger than the sum of its proper divisors (387656704279).

11242044423221 is an equidigital number, since it uses as much as digits as its factorization.

11242044423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387656704278.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 11242044423221 its reverse (12232444024211), we get a palindrome (23474488447432).

The spelling of 11242044423221 in words is "eleven trillion, two hundred forty-two billion, forty-four million, four hundred twenty-three thousand, two hundred twenty-one".