11121130003 has 4 divisors (see below), whose sum is σ = 11122930800. Its totient is φ = 11119329208.

The previous prime is 11121130001. The next prime is 11121130037. The reversal of 11121130003 is 30003112111.

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 11121130003 - 2¹ = 11121130001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121130001) 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, 891103 + ... + 903496.

It is an arithmetic number, because the mean of its divisors is an integer number (2780732700).

Almost surely, 2^11121130003 is an apocalyptic number.

11121130003 is a deficient number, since it is larger than the sum of its proper divisors (1800797).

11121130003 is an equidigital number, since it uses as much as digits as its factorization.

11121130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800796.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11121130003 its reverse (30003112111), we get a palindrome (41124242114).

The spelling of 11121130003 in words is "eleven billion, one hundred twenty-one million, one hundred thirty thousand, three".