111222003 has 4 divisors (see below), whose sum is σ = 148296008. Its totient is φ = 74148000.

The previous prime is 111221977. The next prime is 111222011. The reversal of 111222003 is 300222111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111222003 - 2¹² = 111217907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222003.

It is not an unprimeable number, because it can be changed into a prime (111222103) 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, 18536998 + ... + 18537003.

It is an arithmetic number, because the mean of its divisors is an integer number (37074002).

Almost surely, 2^111222003 is an apocalyptic number.

111222003 is a deficient number, since it is larger than the sum of its proper divisors (37074005).

111222003 is an equidigital number, since it uses as much as digits as its factorization.

111222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074004.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 111222003 is about 10546.1842862715. The cubic root of 111222003 is about 480.9097373716.

Adding to 111222003 its reverse (300222111), we get a palindrome (411444114).

The spelling of 111222003 in words is "one hundred eleven million, two hundred twenty-two thousand, three".