1111221130 has 32 divisors (see below), whose sum is σ = 2100090240. Its totient is φ = 422748480.

The previous prime is 1111221119. The next prime is 1111221157. The reversal of 1111221130 is 311221111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111221130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9166 + ... + 48025.

It is an arithmetic number, because the mean of its divisors is an integer number (65627820).

Almost surely, 2^1111221130 is an apocalyptic number.

1111221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111221130 is a deficient number, since it is larger than the sum of its proper divisors (988869110).

1111221130 is a wasteful number, since it uses less digits than its factorization.

1111221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57294.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111221130 is about 33334.9835758172. The cubic root of 1111221130 is about 1035.7783529498.

Adding to 1111221130 its reverse (311221111), we get a palindrome (1422442241).

The spelling of 1111221130 in words is "one billion, one hundred eleven million, two hundred twenty-one thousand, one hundred thirty".