11040303021 has 32 divisors (see below), whose sum is σ = 16201575936. Its totient is φ = 6631800000.

The previous prime is 11040303011. The next prime is 11040303023. The reversal of 11040303021 is 12030304011.

11040303021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11040303021 - 2¹⁴ = 11040286637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040303023) 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 31 ways as a sum of consecutive naturals, for example, 1744555 + ... + 1750871.

It is an arithmetic number, because the mean of its divisors is an integer number (506299248).

Almost surely, 2^11040303021 is an apocalyptic number.

11040303021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11040303021 is a deficient number, since it is larger than the sum of its proper divisors (5161272915).

11040303021 is a wasteful number, since it uses less digits than its factorization.

11040303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11040303021 its reverse (12030304011), we get a palindrome (23070607032).

The spelling of 11040303021 in words is "eleven billion, forty million, three hundred three thousand, twenty-one".