111200003 has 2 divisors, whose sum is σ = 111200004. Its totient is φ = 111200002.

The previous prime is 111199981. The next prime is 111200053. The reversal of 111200003 is 300002111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111200003 - 2⁶ = 111199939 is a prime.

It is not a weakly prime, because it can be changed into another prime (111200053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600001 + 55600002.

It is an arithmetic number, because the mean of its divisors is an integer number (55600002).

Almost surely, 2^111200003 is an apocalyptic number.

111200003 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200003 is an equidigital number, since it uses as much as digits as its factorization.

111200003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 111200003 is about 10545.1412034169. The cubic root of 111200003 is about 480.8780268839.

Adding to 111200003 its reverse (300002111), we get a palindrome (411202114).

The spelling of 111200003 in words is "one hundred eleven million, two hundred thousand, three".