200111222220 has 192 divisors, whose sum is σ = 699908084736. Its totient is φ = 41591024640.

The previous prime is 200111222219. The next prime is 200111222237. The reversal of 200111222220 is 22222111002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200111222220.

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 63 ways as a sum of consecutive naturals, for example, 92310 + ... + 639330.

It is an arithmetic number, because the mean of its divisors is an integer number (3645354608).

Almost surely, 2^200111222220 is an apocalyptic number.

200111222220 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 200111222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349954042368).

200111222220 is an abundant number, since it is smaller than the sum of its proper divisors (499796862516).

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

200111222220 is a wasteful number, since it uses less digits than its factorization.

200111222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547120 (or 547118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200111222220 its reverse (22222111002), we get a palindrome (222333333222).

The spelling of 200111222220 in words is "two hundred billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty".