1112220000 has 360 divisors, whose sum is σ = 4083455376. Its totient is φ = 286848000.

The previous prime is 1112219987. The next prime is 1112220017. The reversal of 1112220000 is 222111.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6659917 + ... + 6660083.

Almost surely, 2^1112220000 is an apocalyptic number.

1112220000 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 1112220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2041727688).

1112220000 is an abundant number, since it is smaller than the sum of its proper divisors (2971235376).

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

1112220000 is a wasteful number, since it uses less digits than its factorization.

1112220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 214 counting only the distinct ones).

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

The square root of 1112220000 is about 33349.9625187196. The cubic root of 1112220000 is about 1036.0886116521.

Adding to 1112220000 its reverse (222111), we get a palindrome (1112442111).

The spelling of 1112220000 in words is "one billion, one hundred twelve million, two hundred twenty thousand".