2211220112200 has 96 divisors (see below), whose sum is σ = 5671475172000. Its totient is φ = 795045363200.

The previous prime is 2211220112191. The next prime is 2211220112221. The reversal of 2211220112200 is 22110221122.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5450830 + ... + 5842429.

It is an arithmetic number, because the mean of its divisors is an integer number (59077866375).

Almost surely, 2^{2211220112200} is an apocalyptic number.

2211220112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211220112200 is an abundant number, since it is smaller than the sum of its proper divisors (3460255059800).

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

2211220112200 is a wasteful number, since it uses less digits than its factorization.

2211220112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293375 (or 11293366 counting only the distinct ones).

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

Adding to 2211220112200 its reverse (22110221122), we get a palindrome (2233330333322).

The spelling of 2211220112200 in words is "two trillion, two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred".