1112211985 has 8 divisors (see below), whose sum is σ = 1365693120. Its totient is φ = 869077104.

The previous prime is 1112211979. The next prime is 1112212001. The reversal of 1112211985 is 5891122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112211985 - 2³ = 1112211977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586325 + ... + 2586754.

It is an arithmetic number, because the mean of its divisors is an integer number (170711640).

Almost surely, 2^1112211985 is an apocalyptic number.

It is an amenable number.

1112211985 is a deficient number, since it is larger than the sum of its proper divisors (253481135).

1112211985 is an equidigital number, since it uses as much as digits as its factorization.

1112211985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173127.

The product of its digits is 1440, while the sum is 31.

The square root of 1112211985 is about 33349.8423534505. The cubic root of 1112211985 is about 1036.0861228549.

The spelling of 1112211985 in words is "one billion, one hundred twelve million, two hundred eleven thousand, nine hundred eighty-five".