2211123112200 has 480 divisors, whose sum is σ = 7858771113600. Its totient is φ = 575923944960.

The previous prime is 2211123112183. The next prime is 2211123112229. The reversal of 2211123112200 is 22113211122.

2211123112200 is a `hidden beast` number, since 2 + 21 + 112 + 311 + 220 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 416483146 + ... + 416488454.

It is an arithmetic number, because the mean of its divisors is an integer number (16372439820).

Almost surely, 2^{2211123112200} is an apocalyptic number.

2211123112200 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 2211123112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3929385556800).

2211123112200 is an abundant number, since it is smaller than the sum of its proper divisors (5647648001400).

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

2211123112200 is a wasteful number, since it uses less digits than its factorization.

2211123112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931 (or 5913 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2211123112200 its reverse (22113211122), we get a palindrome (2233236323322).

The spelling of 2211123112200 in words is "two trillion, two hundred eleven billion, one hundred twenty-three million, one hundred twelve thousand, two hundred".