111342243163 has 2 divisors, whose sum is σ = 111342243164. Its totient is φ = 111342243162.

The previous prime is 111342243161. The next prime is 111342243193. The reversal of 111342243163 is 361342243111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111342243163 - 2¹ = 111342243161 is a prime.

It is a super-2 number, since 2×111342243163² (a number of 23 digits) contains 22 as substring.

Together with 111342243161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111342243161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671121581 + 55671121582.

It is an arithmetic number, because the mean of its divisors is an integer number (55671121582).

Almost surely, 2^111342243163 is an apocalyptic number.

111342243163 is a deficient number, since it is larger than the sum of its proper divisors (1).

111342243163 is an equidigital number, since it uses as much as digits as its factorization.

111342243163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

Adding to 111342243163 its reverse (361342243111), we get a palindrome (472684486274).

The spelling of 111342243163 in words is "one hundred eleven billion, three hundred forty-two million, two hundred forty-three thousand, one hundred sixty-three".