2011022222200 has 96 divisors (see below), whose sum is σ = 4733630622000. Its totient is φ = 794436572160.

The previous prime is 2011022222177. The next prime is 2011022222203. The reversal of 2011022222200 is 22222201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011022222203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50593534 + ... + 50633266.

Almost surely, 2^{2011022222200} is an apocalyptic number.

2011022222200 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 2011022222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2366815311000).

2011022222200 is an abundant number, since it is smaller than the sum of its proper divisors (2722608399800).

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

2011022222200 is a wasteful number, since it uses less digits than its factorization.

2011022222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42881 (or 42872 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2011022222200 its reverse (22222201102), we get a palindrome (2033244423302).

The spelling of 2011022222200 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred".