1111112205 has 64 divisors (see below), whose sum is σ = 2071265280. Its totient is φ = 498161664.

The previous prime is 1111112203. The next prime is 1111112227. The reversal of 1111112205 is 5022111111.

It is not a de Polignac number, because 1111112205 - 2¹ = 1111112203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1293066 + ... + 1293924.

It is an arithmetic number, because the mean of its divisors is an integer number (32363520).

Almost surely, 2^1111112205 is an apocalyptic number.

1111112205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111112205 is a deficient number, since it is larger than the sum of its proper divisors (960153075).

1111112205 is a wasteful number, since it uses less digits than its factorization.

1111112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1111112205 is about 33333.3497416626. The cubic root of 1111112205 is about 1035.7445085479.

Adding to 1111112205 its reverse (5022111111), we get a palindrome (6133223316).

The spelling of 1111112205 in words is "one billion, one hundred eleven million, one hundred twelve thousand, two hundred five".