1112020200 has 288 divisors, whose sum is σ = 3914258400. Its totient is φ = 282631680.

The previous prime is 1112020193. The next prime is 1112020213. The reversal of 1112020200 is 20202111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3929259 + ... + 3929541.

It is an arithmetic number, because the mean of its divisors is an integer number (13591175).

Almost surely, 2^1112020200 is an apocalyptic number.

1112020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957129200).

1112020200 is an abundant number, since it is smaller than the sum of its proper divisors (2802238200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112020200 is a wasteful number, since it uses less digits than its factorization.

1112020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1112020200 is about 33346.9668785633. The cubic root of 1112020200 is about 1036.0265667024.

Adding to 1112020200 its reverse (20202111), we get a palindrome (1132222311).

The spelling of 1112020200 in words is "one billion, one hundred twelve million, twenty thousand, two hundred".