11220000003 has 6 divisors (see below), whose sum is σ = 16206666684. Its totient is φ = 7479999996.

The previous prime is 11219999993. The next prime is 11220000007. The reversal of 11220000003 is 30000002211.

It is a happy number.

It is not a de Polignac number, because 11220000003 - 2⁶ = 11219999939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1246666667 = 11220000003 / (1 + 1 + 2 + 2 + 0 + 0 + 0 + 0 + 0 + 0 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 11220000003.

It is not an unprimeable number, because it can be changed into a prime (11220000007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623333325 + ... + 623333342.

It is an arithmetic number, because the mean of its divisors is an integer number (2701111114).

Almost surely, 2^11220000003 is an apocalyptic number.

11220000003 is a deficient number, since it is larger than the sum of its proper divisors (4986666681).

11220000003 is a wasteful number, since it uses less digits than its factorization.

11220000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246666673 (or 1246666670 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 11220000003 its reverse (30000002211), we get a palindrome (41220002214).

The spelling of 11220000003 in words is "eleven billion, two hundred twenty million, three", and thus it is an aban number.