2211112222200 has 144 divisors (see below), whose sum is σ = 8486459339280. Its totient is φ = 505397076480.

The previous prime is 2211112222199. The next prime is 2211112222201. The reversal of 2211112222200 is 22222111122.

It is a happy number.

2211112222200 is a `hidden beast` number, since 2 + 211 + 11 + 222 + 220 + 0 = 666.

2211112222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2211112222199) and next prime (2211112222201).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211112222201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87729949 + ... + 87755148.

Almost surely, 2^{2211112222200} is an apocalyptic number.

2211112222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211112222200 is an abundant number, since it is smaller than the sum of its proper divisors (6275347117080).

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

2211112222200 is a wasteful number, since it uses less digits than its factorization.

2211112222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175485126 (or 175485114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2211112222200 its reverse (22222111122), we get a palindrome (2233334333322).

The spelling of 2211112222200 in words is "two trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty-two thousand, two hundred".