111242202130243 has 16 divisors (see below), whose sum is σ = 117656692715520. Its totient is φ = 104883952882176.

The previous prime is 111242202130237. The next prime is 111242202130247. The reversal of 111242202130243 is 342031202242111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111242202130243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111242202130247) 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, 10582371 + ... + 18288547.

It is an arithmetic number, because the mean of its divisors is an integer number (7353543294720).

Almost surely, 2^{111242202130243} is an apocalyptic number.

111242202130243 is a deficient number, since it is larger than the sum of its proper divisors (6414490585277).

111242202130243 is a wasteful number, since it uses less digits than its factorization.

111242202130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709826.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111242202130243 its reverse (342031202242111), we get a palindrome (453273404372354).

The spelling of 111242202130243 in words is "one hundred eleven trillion, two hundred forty-two billion, two hundred two million, one hundred thirty thousand, two hundred forty-three".