111303030243 has 16 divisors (see below), whose sum is σ = 150994880000. Its totient is φ = 72915504480.

The previous prime is 111303030229. The next prime is 111303030257. The reversal of 111303030243 is 342030303111.

It is an interprime number because it is at equal distance from previous prime (111303030229) and next prime (111303030257).

It is not a de Polignac number, because 111303030243 - 2⁸ = 111303029987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111303030203) 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, 1062868 + ... + 1162881.

It is an arithmetic number, because the mean of its divisors is an integer number (9437180000).

Almost surely, 2^111303030243 is an apocalyptic number.

111303030243 is a deficient number, since it is larger than the sum of its proper divisors (39691849757).

111303030243 is a wasteful number, since it uses less digits than its factorization.

111303030243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226042.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 111303030243 its reverse (342030303111), we get a palindrome (453333333354).

The spelling of 111303030243 in words is "one hundred eleven billion, three hundred three million, thirty thousand, two hundred forty-three".