11300003221 has 4 divisors (see below), whose sum is σ = 12169234252. Its totient is φ = 10430772192.

The previous prime is 11300003219. The next prime is 11300003233. The reversal of 11300003221 is 12230000311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6672602596 + 4627400625 = 81686^2 + 68025^2 .

It is a cyclic number.

It is not a de Polignac number, because 11300003221 - 2¹ = 11300003219 is a prime.

It is a super-2 number, since 2×11300003221² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 869231017 = 11300003221 / (1 + 1 + 3 + 0 + 0 + 0 + 0 + 3 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11300003291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434615496 + ... + 434615521.

It is an arithmetic number, because the mean of its divisors is an integer number (3042308563).

Almost surely, 2^11300003221 is an apocalyptic number.

It is an amenable number.

11300003221 is a deficient number, since it is larger than the sum of its proper divisors (869231031).

11300003221 is an equidigital number, since it uses as much as digits as its factorization.

11300003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869231030.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11300003221 its reverse (12230000311), we get a palindrome (23530003532).

The spelling of 11300003221 in words is "eleven billion, three hundred million, three thousand, two hundred twenty-one".