11220003221013 has 12 divisors (see below), whose sum is σ = 16472354456428. Its totient is φ = 7357379160960.

The previous prime is 11220003220991. The next prime is 11220003221047. The reversal of 11220003221013 is 31012230002211.

It can be written as a sum of positive squares in 2 ways, for example, as 5709796272324 + 5510206948689 = 2389518^2 + 2347383^2 .

It is not a de Polignac number, because 11220003221013 - 2¹⁴ = 11220003204629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220003229013) 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, 10218581620 + ... + 10218582717.

Almost surely, 2^{11220003221013} is an apocalyptic number.

It is an amenable number.

11220003221013 is a deficient number, since it is larger than the sum of its proper divisors (5252351235415).

11220003221013 is a wasteful number, since it uses less digits than its factorization.

11220003221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437164404 (or 20437164401 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11220003221013 its reverse (31012230002211), we get a palindrome (42232233223224).

The spelling of 11220003221013 in words is "eleven trillion, two hundred twenty billion, three million, two hundred twenty-one thousand, thirteen".