111342243127 has 2 divisors, whose sum is σ = 111342243128. Its totient is φ = 111342243126.

The previous prime is 111342243119. The next prime is 111342243161. The reversal of 111342243127 is 721342243111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111342243127 - 2³ = 111342243119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111342243107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671121563 + 55671121564.

It is an arithmetic number, because the mean of its divisors is an integer number (55671121564).

Almost surely, 2^111342243127 is an apocalyptic number.

111342243127 is a deficient number, since it is larger than the sum of its proper divisors (1).

111342243127 is an equidigital number, since it uses as much as digits as its factorization.

111342243127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

Adding to 111342243127 its reverse (721342243111), we get a palindrome (832684486238).

The spelling of 111342243127 in words is "one hundred eleven billion, three hundred forty-two million, two hundred forty-three thousand, one hundred twenty-seven".