112221200205 has 12 divisors (see below), whose sum is σ = 194516747100. Its totient is φ = 59851306752.

The previous prime is 112221200197. The next prime is 112221200249. The reversal of 112221200205 is 502002122211.

It can be written as a sum of positive squares in 2 ways, for example, as 33058876041 + 79162324164 = 181821^2 + 281358^2 .

It is not a de Polignac number, because 112221200205 - 2³ = 112221200197 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246902180 + ... + 1246902269.

It is an arithmetic number, because the mean of its divisors is an integer number (16209728925).

Almost surely, 2^112221200205 is an apocalyptic number.

112221200205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112221200205 is a deficient number, since it is larger than the sum of its proper divisors (82295546895).

112221200205 is a wasteful number, since it uses less digits than its factorization.

112221200205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493804460 (or 2493804457 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 112221200205 its reverse (502002122211), we get a palindrome (614223322416).

The spelling of 112221200205 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred thousand, two hundred five".