112122200 has 48 divisors (see below), whose sum is σ = 263655000. Its totient is φ = 44337920.

The previous prime is 112122193. The next prime is 112122239. The reversal of 112122200 is 2221211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14651 + ... + 20949.

Almost surely, 2^112122200 is an apocalyptic number.

112122200 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 112122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131827500).

112122200 is an abundant number, since it is smaller than the sum of its proper divisors (151532800).

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

112122200 is a wasteful number, since it uses less digits than its factorization.

112122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112122200 is about 10588.7770776422. Note that the first 3 decimals coincide. The cubic root of 112122200 is about 482.2036982729.

Adding to 112122200 its reverse (2221211), we get a palindrome (114343411).

The spelling of 112122200 in words is "one hundred twelve million, one hundred twenty-two thousand, two hundred".