11321222003 has 12 divisors (see below), whose sum is σ = 14182630560. Its totient is φ = 8957449872.

The previous prime is 11321221997. The next prime is 11321222027. The reversal of 11321222003 is 30022212311.

It is not a de Polignac number, because 11321222003 - 2⁴ = 11321221987 is a prime.

It is a super-2 number, since 2×11321222003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321222303) 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, 8885723 + ... + 8886996.

It is an arithmetic number, because the mean of its divisors is an integer number (1181885880).

Almost surely, 2^11321222003 is an apocalyptic number.

11321222003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11321222003 is a deficient number, since it is larger than the sum of its proper divisors (2861408557).

11321222003 is a wasteful number, since it uses less digits than its factorization.

11321222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772746 (or 17772739 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11321222003 its reverse (30022212311), we get a palindrome (41343434314).

The spelling of 11321222003 in words is "eleven billion, three hundred twenty-one million, two hundred twenty-two thousand, three".