11221313003 has 4 divisors (see below), whose sum is σ = 11222674728. Its totient is φ = 11219951280.

The previous prime is 11221312987. The next prime is 11221313039. The reversal of 11221313003 is 30031312211.

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

It is a cyclic number.

It is not a de Polignac number, because 11221313003 - 2⁴ = 11221312987 is a prime.

It is a super-2 number, since 2×11221313003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221313093) 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, 668426 + ... + 685007.

It is an arithmetic number, because the mean of its divisors is an integer number (2805668682).

Almost surely, 2^11221313003 is an apocalyptic number.

11221313003 is a deficient number, since it is larger than the sum of its proper divisors (1361725).

11221313003 is an equidigital number, since it uses as much as digits as its factorization.

11221313003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361724.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11221313003 its reverse (30031312211), we get a palindrome (41252625214).

The spelling of 11221313003 in words is "eleven billion, two hundred twenty-one million, three hundred thirteen thousand, three".