201110220200 has 96 divisors (see below), whose sum is σ = 476299202400. Its totient is φ = 78948783360.

The previous prime is 201110220169. The next prime is 201110220203. The reversal of 201110220200 is 2022011102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201110220203) 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, 7219499 + ... + 7247301.

It is an arithmetic number, because the mean of its divisors is an integer number (4961450025).

Almost surely, 2^201110220200 is an apocalyptic number.

201110220200 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 201110220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238149601200).

201110220200 is an abundant number, since it is smaller than the sum of its proper divisors (275188982200).

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

201110220200 is a wasteful number, since it uses less digits than its factorization.

201110220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28491 (or 28482 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201110220200 its reverse (2022011102), we get a palindrome (203132231302).

It can be divided in two parts, 2011102 and 20200, that added together give a palindrome (2031302).

The spelling of 201110220200 in words is "two hundred one billion, one hundred ten million, two hundred twenty thousand, two hundred".