11043320330421 has 12 divisors (see below), whose sum is σ = 16466026012800. Its totient is φ = 7124722793640.

The previous prime is 11043320330407. The next prime is 11043320330429. The reversal of 11043320330421 is 12403302334011.

It is a happy number.

11043320330421 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 3 + 3 + 203 + 30 + 421 = 666.

It is not a de Polignac number, because 11043320330421 - 2⁷ = 11043320330293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043320330429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19790896371 + ... + 19790896928.

It is an arithmetic number, because the mean of its divisors is an integer number (1372168834400).

Almost surely, 2^{11043320330421} is an apocalyptic number.

It is an amenable number.

11043320330421 is a deficient number, since it is larger than the sum of its proper divisors (5422705682379).

11043320330421 is a wasteful number, since it uses less digits than its factorization.

11043320330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39581793336 (or 39581793333 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 11043320330421 its reverse (12403302334011), we get a palindrome (23446622664432).

The spelling of 11043320330421 in words is "eleven trillion, forty-three billion, three hundred twenty million, three hundred thirty thousand, four hundred twenty-one".