112200021000 has 384 divisors, whose sum is σ = 391010405760. Its totient is φ = 28997568000.

The previous prime is 112200020953. The next prime is 112200021007. The reversal of 112200021000 is 120002211.

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

It is not an unprimeable number, because it can be changed into a prime (112200021007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115550515 + ... + 115551485.

It is an arithmetic number, because the mean of its divisors is an integer number (1018256265).

Almost surely, 2^112200021000 is an apocalyptic number.

112200021000 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 112200021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195505202880).

112200021000 is an abundant number, since it is smaller than the sum of its proper divisors (278810384760).

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

112200021000 is a wasteful number, since it uses less digits than its factorization.

112200021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1365 counting only the distinct ones).

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

Adding to 112200021000 its reverse (120002211), we get a palindrome (112320023211).

The spelling of 112200021000 in words is "one hundred twelve billion, two hundred million, twenty-one thousand".