201100200220 has 12 divisors (see below), whose sum is σ = 422310420504. Its totient is φ = 80440080080.

The previous prime is 201100200211. The next prime is 201100200221. The reversal of 201100200220 is 22002001102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201100200197 and 201100200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100200221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027504986 + ... + 5027505025.

It is an arithmetic number, because the mean of its divisors is an integer number (35192535042).

Almost surely, 2^201100200220 is an apocalyptic number.

201100200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100200220 is an abundant number, since it is smaller than the sum of its proper divisors (221210220284).

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

201100200220 is a wasteful number, since it uses less digits than its factorization.

201100200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055010020 (or 10055010018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201100200220 its reverse (22002001102), we get a palindrome (223102201322).

The spelling of 201100200220 in words is "two hundred one billion, one hundred million, two hundred thousand, two hundred twenty".