213101200201220 has 24 divisors (see below), whose sum is σ = 451618139880600. Its totient is φ = 84458457326592.

The previous prime is 213101200201217. The next prime is 213101200201261. The reversal of 213101200201220 is 22102002101312.

It can be written as a sum of positive squares in 4 ways, for example, as 51150989568064 + 161950210633156 = 7151992^2 + 12725966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48876419885 + ... + 48876424244.

It is an arithmetic number, because the mean of its divisors is an integer number (18817422495025).

Almost surely, 2^{213101200201220} is an apocalyptic number.

213101200201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213101200201220 is an abundant number, since it is smaller than the sum of its proper divisors (238516939679380).

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

213101200201220 is a wasteful number, since it uses less digits than its factorization.

213101200201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97752844247 (or 97752844245 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 213101200201220 its reverse (22102002101312), we get a palindrome (235203202302532).

The spelling of 213101200201220 in words is "two hundred thirteen trillion, one hundred one billion, two hundred million, two hundred one thousand, two hundred twenty".