11121131003 has 8 divisors (see below), whose sum is σ = 11305164816. Its totient is φ = 10937152800.

The previous prime is 11121130981. The next prime is 11121131011. The reversal of 11121131003 is 30013112111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121131003 - 2¹⁰ = 11121129979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121131303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643625 + ... + 660677.

It is an arithmetic number, because the mean of its divisors is an integer number (1413145602).

Almost surely, 2^11121131003 is an apocalyptic number.

11121131003 is a deficient number, since it is larger than the sum of its proper divisors (184033813).

11121131003 is a wasteful number, since it uses less digits than its factorization.

11121131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11121131003 its reverse (30013112111), we get a palindrome (41134243114).

The spelling of 11121131003 in words is "eleven billion, one hundred twenty-one million, one hundred thirty-one thousand, three".