2112221010200 has 96 divisors (see below), whose sum is σ = 5627767180800. Its totient is φ = 722216615040.

The previous prime is 2112221010187. The next prime is 2112221010239. The reversal of 2112221010200 is 20101222112.

It is a super-2 number, since 2×2112221010200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1541690 + ... + 2569289.

It is an arithmetic number, because the mean of its divisors is an integer number (58622574800).

Almost surely, 2^{2112221010200} is an apocalyptic number.

2112221010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112221010200 is an abundant number, since it is smaller than the sum of its proper divisors (3515546170600).

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

2112221010200 is a wasteful number, since it uses less digits than its factorization.

2112221010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111369 (or 4111360 counting only the distinct ones).

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

Adding to 2112221010200 its reverse (20101222112), we get a palindrome (2132322232312).

The spelling of 2112221010200 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, ten thousand, two hundred".