111111010003 has 16 divisors (see below), whose sum is σ = 129672182016. Its totient is φ = 93229999200.

The previous prime is 111111009991. The next prime is 111111010033. The reversal of 111111010003 is 300010111111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111010003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111010033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173673 + ... + 502378.

It is an arithmetic number, because the mean of its divisors is an integer number (8104511376).

Almost surely, 2^111111010003 is an apocalyptic number.

111111010003 is a deficient number, since it is larger than the sum of its proper divisors (18561172013).

111111010003 is an equidigital number, since it uses as much as digits as its factorization.

111111010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676554.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 111111010003 its reverse (300010111111), we get a palindrome (411121121114).

The spelling of 111111010003 in words is "one hundred eleven billion, one hundred eleven million, ten thousand, three".