2101112222200 has 192 divisors, whose sum is σ = 5450131526400. Its totient is φ = 748624435200.

The previous prime is 2101112222191. The next prime is 2101112222203. The reversal of 2101112222200 is 22222111012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101112222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66586827 + ... + 66618373.

It is an arithmetic number, because the mean of its divisors is an integer number (28386101700).

Almost surely, 2^{2101112222200} is an apocalyptic number.

2101112222200 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 2101112222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725065763200).

2101112222200 is an abundant number, since it is smaller than the sum of its proper divisors (3349019304200).

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

2101112222200 is a wasteful number, since it uses less digits than its factorization.

2101112222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32630 (or 32621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101112222200 its reverse (22222111012), we get a palindrome (2123334333212).

The spelling of 2101112222200 in words is "two trillion, one hundred one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred".