111000010003 has 4 divisors (see below), whose sum is σ = 111000689208. Its totient is φ = 110999330800.

The previous prime is 111000009971. The next prime is 111000010007. The reversal of 111000010003 is 300010000111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 111000010003 - 2⁵ = 111000009971 is a prime.

It is a super-2 number, since 2×111000010003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000010007) 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, 71103 + ... + 476503.

It is an arithmetic number, because the mean of its divisors is an integer number (27750172302).

Almost surely, 2^111000010003 is an apocalyptic number.

111000010003 is a deficient number, since it is larger than the sum of its proper divisors (679205).

111000010003 is an equidigital number, since it uses as much as digits as its factorization.

111000010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679204.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 111000010003 its reverse (300010000111), we get a palindrome (411010010114).

The spelling of 111000010003 in words is "one hundred eleven billion, ten thousand, three".