111115244111 has 2 divisors, whose sum is σ = 111115244112. Its totient is φ = 111115244110.

The previous prime is 111115244069. The next prime is 111115244113. The reversal of 111115244111 is 111442511111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111115244111 - 2⁶ = 111115244047 is a prime.

Together with 111115244113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111115244113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55557622055 + 55557622056.

It is an arithmetic number, because the mean of its divisors is an integer number (55557622056).

Almost surely, 2^111115244111 is an apocalyptic number.

111115244111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111115244111 is an equidigital number, since it uses as much as digits as its factorization.

111115244111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160, while the sum is 23.

Adding to 111115244111 its reverse (111442511111), we get a palindrome (222557755222).

The spelling of 111115244111 in words is "one hundred eleven billion, one hundred fifteen million, two hundred forty-four thousand, one hundred eleven".