11320434004221 has 12 divisors (see below), whose sum is σ = 16915591041180. Its totient is φ = 7286716140480.

The previous prime is 11320434004219. The next prime is 11320434004223. The reversal of 11320434004221 is 12240043402311.

11320434004221 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 0 + 434 + 0 + 0 + 4 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (11320434004219) and next prime (11320434004223).

It can be written as a sum of positive squares in 2 ways, for example, as 8046378984996 + 3274055019225 = 2836614^2 + 1809435^2 .

It is not a de Polignac number, because 11320434004221 - 2¹ = 11320434004219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320434004223) 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, 21686654920 + ... + 21686655441.

It is an arithmetic number, because the mean of its divisors is an integer number (1409632586765).

Almost surely, 2^{11320434004221} is an apocalyptic number.

It is an amenable number.

11320434004221 is a deficient number, since it is larger than the sum of its proper divisors (5595157036959).

11320434004221 is a wasteful number, since it uses less digits than its factorization.

11320434004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43373310396 (or 43373310393 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11320434004221 its reverse (12240043402311), we get a palindrome (23560477406532).

The spelling of 11320434004221 in words is "eleven trillion, three hundred twenty billion, four hundred thirty-four million, four thousand, two hundred twenty-one".