111314242321 has 4 divisors (see below), whose sum is σ = 115152664500. Its totient is φ = 107475820144.

The previous prime is 111314242313. The next prime is 111314242357. The reversal of 111314242321 is 123242413111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123242413111 = 157 ⋅784983523.

It can be written as a sum of positive squares in 2 ways, for example, as 73189727296 + 38124515025 = 270536^2 + 195255^2 .

It is a cyclic number.

It is not a de Polignac number, because 111314242321 - 2³ = 111314242313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111314242301) 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, 1919211046 + ... + 1919211103.

It is an arithmetic number, because the mean of its divisors is an integer number (28788166125).

Almost surely, 2^111314242321 is an apocalyptic number.

It is an amenable number.

111314242321 is a deficient number, since it is larger than the sum of its proper divisors (3838422179).

111314242321 is an equidigital number, since it uses as much as digits as its factorization.

111314242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838422178.

The product of its digits is 1152, while the sum is 25.

Adding to 111314242321 its reverse (123242413111), we get a palindrome (234556655432).

The spelling of 111314242321 in words is "one hundred eleven billion, three hundred fourteen million, two hundred forty-two thousand, three hundred twenty-one".