2100112122200 has 48 divisors (see below), whose sum is σ = 4883138084160. Its totient is φ = 839979920000.

The previous prime is 2100112122191. The next prime is 2100112122299. The reversal of 2100112122200 is 22212110012.

It is a super-2 number, since 2×2100112122200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2230970 + ... + 3029430.

It is an arithmetic number, because the mean of its divisors is an integer number (101732043420).

Almost surely, 2^{2100112122200} is an apocalyptic number.

2100112122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100112122200 is an abundant number, since it is smaller than the sum of its proper divisors (2783025961960).

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

2100112122200 is a wasteful number, since it uses less digits than its factorization.

2100112122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811628 (or 811619 counting only the distinct ones).

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

Adding to 2100112122200 its reverse (22212110012), we get a palindrome (2122324232212).

The spelling of 2100112122200 in words is "two trillion, one hundred billion, one hundred twelve million, one hundred twenty-two thousand, two hundred".