11420403321 has 32 divisors (see below), whose sum is σ = 16284672000. Its totient is φ = 7098053760.

The previous prime is 11420403307. The next prime is 11420403341. The reversal of 11420403321 is 12330402411.

11420403321 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 11420403321 - 2⁵ = 11420403289 is a prime.

It is a super-2 number, since 2×11420403321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11420403301) 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, 2454205 + ... + 2458853.

It is an arithmetic number, because the mean of its divisors is an integer number (508896000).

Almost surely, 2^11420403321 is an apocalyptic number.

It is an amenable number.

11420403321 is a deficient number, since it is larger than the sum of its proper divisors (4864268679).

11420403321 is a wasteful number, since it uses less digits than its factorization.

11420403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11420403321 its reverse (12330402411), we get a palindrome (23750805732).

The spelling of 11420403321 in words is "eleven billion, four hundred twenty million, four hundred three thousand, three hundred twenty-one".