213101200201217 has 2 divisors, whose sum is σ = 213101200201218. Its totient is φ = 213101200201216.

The previous prime is 213101200201213. The next prime is 213101200201261. The reversal of 213101200201217 is 712102002101312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163514759969521 + 49586440231696 = 12787289^2 + 7041764^2 .

It is a cyclic number.

It is not a de Polignac number, because 213101200201217 - 2² = 213101200201213 is a prime.

It is a super-2 number, since 2×213101200201217² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213101200201192 and 213101200201201.

It is not a weakly prime, because it can be changed into another prime (213101200201213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106550600100608 + 106550600100609.

It is an arithmetic number, because the mean of its divisors is an integer number (106550600100609).

Almost surely, 2^{213101200201217} is an apocalyptic number.

It is an amenable number.

213101200201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

213101200201217 is an equidigital number, since it uses as much as digits as its factorization.

213101200201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 213101200201217 its reverse (712102002101312), we get a palindrome (925203202302529).

The spelling of 213101200201217 in words is "two hundred thirteen trillion, one hundred one billion, two hundred million, two hundred one thousand, two hundred seventeen".