11124434242021 has 4 divisors (see below), whose sum is σ = 11239119131212. Its totient is φ = 11009749352832.

The previous prime is 11124434241937. The next prime is 11124434242027. The reversal of 11124434242021 is 12024243442111.

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 8807688450625 + 2316745791396 = 2967775^2 + 1522086^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124434242021 - 2⁹ = 11124434241509 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 (11124434242027) 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, 57342444450 + ... + 57342444643.

It is an arithmetic number, because the mean of its divisors is an integer number (2809779782803).

Almost surely, 2^{11124434242021} is an apocalyptic number.

It is an amenable number.

11124434242021 is a deficient number, since it is larger than the sum of its proper divisors (114684889191).

11124434242021 is an equidigital number, since it uses as much as digits as its factorization.

11124434242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114684889190.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 11124434242021 its reverse (12024243442111), we get a palindrome (23148677684132).

The spelling of 11124434242021 in words is "eleven trillion, one hundred twenty-four billion, four hundred thirty-four million, two hundred forty-two thousand, twenty-one".