2112200222200 has 96 divisors (see below), whose sum is σ = 5057081750160. Its totient is φ = 819974937600.

The previous prime is 2112200222189. The next prime is 2112200222201. The reversal of 2112200222200 is 22220022112.

It is a super-2 number, since 2×2112200222200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112200222201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568020 + ... + 2132380.

Almost surely, 2^{2112200222200} is an apocalyptic number.

2112200222200 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 2112200222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528540875080).

2112200222200 is an abundant number, since it is smaller than the sum of its proper divisors (2944881527960).

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

2112200222200 is a wasteful number, since it uses less digits than its factorization.

2112200222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564577 (or 1564568 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2112200222200 its reverse (22220022112), we get a palindrome (2134420244312).

The spelling of 2112200222200 in words is "two trillion, one hundred twelve billion, two hundred million, two hundred twenty-two thousand, two hundred".