2112001122200 has 192 divisors, whose sum is σ = 5234371005600. Its totient is φ = 790235136000.

The previous prime is 2112001122197. The next prime is 2112001122221. The reversal of 2112001122200 is 22211002112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143150024 + ... + 143164776.

Almost surely, 2^{2112001122200} is an apocalyptic number.

2112001122200 is a gapful number since it is divisible by the number (20) 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 2112001122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617185502800).

2112001122200 is an abundant number, since it is smaller than the sum of its proper divisors (3122369883400).

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

2112001122200 is a wasteful number, since it uses less digits than its factorization.

2112001122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262 (or 15253 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112001122200 its reverse (22211002112), we get a palindrome (2134212124312).

The spelling of 2112001122200 in words is "two trillion, one hundred twelve billion, one million, one hundred twenty-two thousand, two hundred".