11322303021 has 12 divisors (see below), whose sum is σ = 16401303100. Its totient is φ = 7526571840.

The previous prime is 11322303017. The next prime is 11322303029. The reversal of 11322303021 is 12030322311.

11322303021 is a `hidden beast` number, since 1 + 132 + 230 + 302 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9645400521 + 1676902500 = 98211^2 + 40950^2 .

It is not a de Polignac number, because 11322303021 - 2² = 11322303017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322302985 and 11322303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322303029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799200 + ... + 1805481.

Almost surely, 2^11322303021 is an apocalyptic number.

It is an amenable number.

11322303021 is a deficient number, since it is larger than the sum of its proper divisors (5079000079).

11322303021 is a wasteful number, since it uses less digits than its factorization.

11322303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605036 (or 3605033 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11322303021 its reverse (12030322311), we get a palindrome (23352625332).

The spelling of 11322303021 in words is "eleven billion, three hundred twenty-two million, three hundred three thousand, twenty-one".