1112201000 has 32 divisors (see below), whose sum is σ = 2602552680. Its totient is φ = 444880000.

The previous prime is 1112200993. The next prime is 1112201003. The reversal of 1112201000 is 1022111.

It can be written as a sum of positive squares in 4 ways, for example, as 268763236 + 843437764 = 16394^2 + 29042^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1112201003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555101 + ... + 557100.

Almost surely, 2^1112201000 is an apocalyptic number.

1112201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112201000 is an abundant number, since it is smaller than the sum of its proper divisors (1490351680).

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

1112201000 is a wasteful number, since it uses less digits than its factorization.

1112201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112222 (or 1112208 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1112201000 is about 33349.6776596116. The cubic root of 1112201000 is about 1036.0827118014.

Adding to 1112201000 its reverse (1022111), we get a palindrome (1113223111).

The spelling of 1112201000 in words is "one billion, one hundred twelve million, two hundred one thousand".