1111220086 has 16 divisors (see below), whose sum is σ = 1725287040. Its totient is φ = 536146240.

The previous prime is 1111220051. The next prime is 1111220087. The reversal of 1111220086 is 6800221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 123666 + ... + 132346.

It is an arithmetic number, because the mean of its divisors is an integer number (107830440).

Almost surely, 2^1111220086 is an apocalyptic number.

1111220086 is a deficient number, since it is larger than the sum of its proper divisors (614066954).

1111220086 is a wasteful number, since it uses less digits than its factorization.

1111220086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1111220086 is about 33334.9679165887. The cubic root of 1111220086 is about 1035.7780285761.

Adding to 1111220086 its reverse (6800221111), we get a palindrome (7911441197).

The spelling of 1111220086 in words is "one billion, one hundred eleven million, two hundred twenty thousand, eighty-six".