1112211200 has 54 divisors (see below), whose sum is σ = 2752912344. Its totient is φ = 444881920.

The previous prime is 1112211197. The next prime is 1112211203. The reversal of 1112211200 is 21122111.

It is an interprime number because it is at equal distance from previous prime (1112211197) and next prime (1112211203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211203) 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 5 ways as a sum of consecutive naturals, for example, 80492 + ... + 93291.

Almost surely, 2^1112211200 is an apocalyptic number.

1112211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211200 is an abundant number, since it is smaller than the sum of its proper divisors (1640701144).

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

1112211200 is an equidigital number, since it uses as much as digits as its factorization.

1112211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173809 (or 173790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112211200 is about 33349.8305842773. The cubic root of 1112211200 is about 1036.0858790980.

Adding to 1112211200 its reverse (21122111), we get a palindrome (1133333311).

It can be divided in two parts, 11122 and 11200, that added together give a palindrome (22322).

The spelling of 1112211200 in words is "one billion, one hundred twelve million, two hundred eleven thousand, two hundred".