11012103003 has 16 divisors (see below), whose sum is σ = 16038968832. Its totient is φ = 6665100000.

The previous prime is 11012102993. The next prime is 11012103029. The reversal of 11012103003 is 30030121011.

It is not a de Polignac number, because 11012103003 - 2⁶ = 11012102939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012103003.

It is not an unprimeable number, because it can be changed into a prime (11012103043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197388 + ... + 246953.

It is an arithmetic number, because the mean of its divisors is an integer number (1002435552).

Almost surely, 2^11012103003 is an apocalyptic number.

11012103003 is a deficient number, since it is larger than the sum of its proper divisors (5026865829).

11012103003 is a wasteful number, since it uses less digits than its factorization.

11012103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445106.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11012103003 its reverse (30030121011), we get a palindrome (41042224014).

The spelling of 11012103003 in words is "eleven billion, twelve million, one hundred three thousand, three".