213201110220 has 96 divisors (see below), whose sum is σ = 683258193408. Its totient is φ = 48659208192.

The previous prime is 213201110203. The next prime is 213201110279. The reversal of 213201110220 is 22011102312.

213201110220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 213201110220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94474 + ... + 659793.

It is an arithmetic number, because the mean of its divisors is an integer number (7117272848).

Almost surely, 2^213201110220 is an apocalyptic number.

213201110220 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 213201110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341629096704).

213201110220 is an abundant number, since it is smaller than the sum of its proper divisors (470057083188).

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

213201110220 is a wasteful number, since it uses less digits than its factorization.

213201110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754959 (or 754957 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213201110220 its reverse (22011102312), we get a palindrome (235212212532).

The spelling of 213201110220 in words is "two hundred thirteen billion, two hundred one million, one hundred ten thousand, two hundred twenty".