12111111003 has 8 divisors (see below), whose sum is σ = 16162037568. Its totient is φ = 8067129224.

The previous prime is 12111110933. The next prime is 12111111029. The reversal of 12111111003 is 30011111121.

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 12111111003 - 2¹⁷ = 12110979931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12111111003.

It is not an unprimeable number, because it can be changed into a prime (12111119003) 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, 1732125 + ... + 1739102.

It is an arithmetic number, because the mean of its divisors is an integer number (2020254696).

Almost surely, 2^12111111003 is an apocalyptic number.

12111111003 is a deficient number, since it is larger than the sum of its proper divisors (4050926565).

12111111003 is a wasteful number, since it uses less digits than its factorization.

12111111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472393.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 12111111003 its reverse (30011111121), we get a palindrome (42122222124).

The spelling of 12111111003 in words is "twelve billion, one hundred eleven million, one hundred eleven thousand, three".