111706222889 has 2 divisors, whose sum is σ = 111706222890. Its totient is φ = 111706222888.

The previous prime is 111706222867. The next prime is 111706222919. The reversal of 111706222889 is 988222607111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64229299225 + 47476923664 = 253435^2 + 217892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111706222889 is a prime.

It is not a weakly prime, because it can be changed into another prime (111706222829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55853111444 + 55853111445.

It is an arithmetic number, because the mean of its divisors is an integer number (55853111445).

Almost surely, 2^111706222889 is an apocalyptic number.

It is an amenable number.

111706222889 is a deficient number, since it is larger than the sum of its proper divisors (1).

111706222889 is an equidigital number, since it uses as much as digits as its factorization.

111706222889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

It can be divided in two parts, 111706222 and 889, that added together give a palindrome (111707111).

The spelling of 111706222889 in words is "one hundred eleven billion, seven hundred six million, two hundred twenty-two thousand, eight hundred eighty-nine".