111111112122259 has 2 divisors, whose sum is σ = 111111112122260. Its totient is φ = 111111112122258.

The previous prime is 111111112122203. The next prime is 111111112122293. The reversal of 111111112122259 is 952221211111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111112122259 - 2¹⁹ = 111111111597971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111111112122259.

It is not a weakly prime, because it can be changed into another prime (111111112122859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555556061129 + 55555556061130.

It is an arithmetic number, because the mean of its divisors is an integer number (55555556061130).

Almost surely, 2^{111111112122259} is an apocalyptic number.

111111112122259 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111112122259 is an equidigital number, since it uses as much as digits as its factorization.

111111112122259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 31.

The spelling of 111111112122259 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred fifty-nine".