111112200205 has 4 divisors (see below), whose sum is σ = 133334640252. Its totient is φ = 88889760160.

The previous prime is 111112200197. The next prime is 111112200223. The reversal of 111112200205 is 502002211111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502002211111 = 123581 ⋅4062131.

It can be written as a sum of positive squares in 2 ways, for example, as 62165947561 + 48946252644 = 249331^2 + 221238^2 .

It is not a de Polignac number, because 111112200205 - 2³ = 111112200197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111220016 + ... + 11111220025.

It is an arithmetic number, because the mean of its divisors is an integer number (33333660063).

Almost surely, 2^111112200205 is an apocalyptic number.

It is an amenable number.

111112200205 is a deficient number, since it is larger than the sum of its proper divisors (22222440047).

111112200205 is an equidigital number, since it uses as much as digits as its factorization.

111112200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222440046.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 111112200205 its reverse (502002211111), we get a palindrome (613114411316).

The spelling of 111112200205 in words is "one hundred eleven billion, one hundred twelve million, two hundred thousand, two hundred five".