11131222003 has 4 divisors (see below), whose sum is σ = 12143151288. Its totient is φ = 10119292720.

The previous prime is 11131222001. The next prime is 11131222007. The reversal of 11131222003 is 30022213111.

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 11131222003 - 2¹ = 11131222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505964626 + ... + 505964647.

It is an arithmetic number, because the mean of its divisors is an integer number (3035787822).

Almost surely, 2^11131222003 is an apocalyptic number.

11131222003 is a deficient number, since it is larger than the sum of its proper divisors (1011929285).

11131222003 is a wasteful number, since it uses less digits than its factorization.

11131222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011929284.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11131222003 its reverse (30022213111), we get a palindrome (41153435114).

The spelling of 11131222003 in words is "eleven billion, one hundred thirty-one million, two hundred twenty-two thousand, three".