213201031001201 has 4 divisors (see below), whose sum is σ = 213207500100852. Its totient is φ = 213194561901552.

The previous prime is 213201031001149. The next prime is 213201031001221. The reversal of 213201031001201 is 102100130102312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153096053493601 + 60104977507600 = 12373199^2 + 7752740^2 .

It is a cyclic number.

It is not a de Polignac number, because 213201031001201 - 2⁶ = 213201031001137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213201031001201.

It is not an unprimeable number, because it can be changed into a prime (213201031001221) 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, 3234500390 + ... + 3234566303.

It is an arithmetic number, because the mean of its divisors is an integer number (53301875025213).

Almost surely, 2^{213201031001201} is an apocalyptic number.

It is an amenable number.

213201031001201 is a deficient number, since it is larger than the sum of its proper divisors (6469099651).

213201031001201 is an equidigital number, since it uses as much as digits as its factorization.

213201031001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469099650.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213201031001201 its reverse (102100130102312), we get a palindrome (315301161103513).

The spelling of 213201031001201 in words is "two hundred thirteen trillion, two hundred one billion, thirty-one million, one thousand, two hundred one".