11113440232021 has 8 divisors (see below), whose sum is σ = 11170671012864. Its totient is φ = 11056217707920.

The previous prime is 11113440231937. The next prime is 11113440232039. The reversal of 11113440232021 is 12023204431111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11113440232021 - 2⁷ = 11113440231893 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 (11113440232051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643836 + ... + 4758298.

It is an arithmetic number, because the mean of its divisors is an integer number (1396333876608).

Almost surely, 2^{11113440232021} is an apocalyptic number.

It is an amenable number.

11113440232021 is a deficient number, since it is larger than the sum of its proper divisors (57230780843).

11113440232021 is a wasteful number, since it uses less digits than its factorization.

11113440232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128371.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11113440232021 its reverse (12023204431111), we get a palindrome (23136644663132).

The spelling of 11113440232021 in words is "eleven trillion, one hundred thirteen billion, four hundred forty million, two hundred thirty-two thousand, twenty-one".