201220120110200 has 192 divisors, whose sum is σ = 486603040308000. Its totient is φ = 77319958026240.

The previous prime is 201220120110169. The next prime is 201220120110203. The reversal of 201220120110200 is 2011021022102.

201220120110200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220120110203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227827046 + ... + 228708554.

Almost surely, 2^{201220120110200} is an apocalyptic number.

201220120110200 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 201220120110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243301520154000).

201220120110200 is an abundant number, since it is smaller than the sum of its proper divisors (285382920197800).

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

201220120110200 is a wasteful number, since it uses less digits than its factorization.

201220120110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881954 (or 881945 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201220120110200 its reverse (2011021022102), we get a palindrome (203231141132302).

The spelling of 201220120110200 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty million, one hundred ten thousand, two hundred".