215355100201 has 2 divisors, whose sum is σ = 215355100202. Its totient is φ = 215355100200.

The previous prime is 215355100199. The next prime is 215355100243. The reversal of 215355100201 is 102001553512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187766222400 + 27588877801 = 433320^2 + 166099^2 .

It is a cyclic number.

It is not a de Polignac number, because 215355100201 - 2¹ = 215355100199 is a prime.

Together with 215355100199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (215355100271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107677550100 + 107677550101.

It is an arithmetic number, because the mean of its divisors is an integer number (107677550101).

Almost surely, 2^215355100201 is an apocalyptic number.

It is an amenable number.

215355100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

215355100201 is an equidigital number, since it uses as much as digits as its factorization.

215355100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 215355100201 its reverse (102001553512), we get a palindrome (317356653713).

The spelling of 215355100201 in words is "two hundred fifteen billion, three hundred fifty-five million, one hundred thousand, two hundred one".