1112211988 has 12 divisors (see below), whose sum is σ = 1946875392. Its totient is φ = 555961880.

The previous prime is 1112211979. The next prime is 1112212001. The reversal of 1112211988 is 8891122111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17620 + ... + 50347.

It is an arithmetic number, because the mean of its divisors is an integer number (162239616).

Almost surely, 2^1112211988 is an apocalyptic number.

It is an amenable number.

1112211988 is a deficient number, since it is larger than the sum of its proper divisors (834663404).

1112211988 is a wasteful number, since it uses less digits than its factorization.

1112211988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72062 (or 72060 counting only the distinct ones).

The product of its digits is 2304, while the sum is 34.

The square root of 1112211988 is about 33349.8423984282. The cubic root of 1112211988 is about 1036.0861237864.

The spelling of 1112211988 in words is "one billion, one hundred twelve million, two hundred eleven thousand, nine hundred eighty-eight".