111303230203 has 4 divisors (see below), whose sum is σ = 121421705688. Its totient is φ = 101184754720.

The previous prime is 111303230177. The next prime is 111303230237. The reversal of 111303230203 is 302032303111.

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

It is a cyclic number.

It is not a de Polignac number, because 111303230203 - 2¹³ = 111303222011 is a prime.

It is a super-2 number, since 2×111303230203² (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 (111303236203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059237726 + ... + 5059237747.

It is an arithmetic number, because the mean of its divisors is an integer number (30355426422).

Almost surely, 2^111303230203 is an apocalyptic number.

111303230203 is a deficient number, since it is larger than the sum of its proper divisors (10118475485).

111303230203 is a wasteful number, since it uses less digits than its factorization.

111303230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118475484.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 111303230203 its reverse (302032303111), we get a palindrome (413335533314).

The spelling of 111303230203 in words is "one hundred eleven billion, three hundred three million, two hundred thirty thousand, two hundred three".