36201066221 has 2 divisors, whose sum is σ = 36201066222. Its totient is φ = 36201066220.

The previous prime is 36201066151. The next prime is 36201066233. The reversal of 36201066221 is 12266010263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21563454025 + 14637612196 = 146845^2 + 120986^2 .

It is a cyclic number.

It is not a de Polignac number, because 36201066221 - 2¹⁴ = 36201049837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36201065221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18100533110 + 18100533111.

It is an arithmetic number, because the mean of its divisors is an integer number (18100533111).

Almost surely, 2^36201066221 is an apocalyptic number.

It is an amenable number.

36201066221 is a deficient number, since it is larger than the sum of its proper divisors (1).

36201066221 is an equidigital number, since it uses as much as digits as its factorization.

36201066221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 36201066221 its reverse (12266010263), we get a palindrome (48467076484).

The spelling of 36201066221 in words is "thirty-six billion, two hundred one million, sixty-six thousand, two hundred twenty-one".