1112113312111 has 2 divisors, whose sum is σ = 1112113312112. Its totient is φ = 1112113312110.

The previous prime is 1112113312103. The next prime is 1112113312147. The reversal of 1112113312111 is 1112133112111.

It is a m-pointer prime, because the next prime (1112113312147) can be obtained adding 1112113312111 to its product of digits (36).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112113312111 - 2³ = 1112113312103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112113312181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556056656055 + 556056656056.

It is an arithmetic number, because the mean of its divisors is an integer number (556056656056).

Almost surely, 2^{1112113312111} is an apocalyptic number.

1112113312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112113312111 is an equidigital number, since it uses as much as digits as its factorization.

1112113312111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 19.

Adding to 1112113312111 its reverse (1112133112111), we get a palindrome (2224246424222).

The spelling of 1112113312111 in words is "one trillion, one hundred twelve billion, one hundred thirteen million, three hundred twelve thousand, one hundred eleven".