221002000201 has 2 divisors, whose sum is σ = 221002000202. Its totient is φ = 221002000200.

The previous prime is 221002000171. The next prime is 221002000223. The reversal of 221002000201 is 102000200122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127334785600 + 93667214601 = 356840^2 + 306051^2 .

It is a cyclic number.

It is not a de Polignac number, because 221002000201 - 2²³ = 220993611593 is a prime.

It is not a weakly prime, because it can be changed into another prime (221002000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501000100 + 110501000101.

It is an arithmetic number, because the mean of its divisors is an integer number (110501000101).

Almost surely, 2^221002000201 is an apocalyptic number.

It is an amenable number.

221002000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002000201 is an equidigital number, since it uses as much as digits as its factorization.

221002000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 221002000201 its reverse (102000200122), we get a palindrome (323002200323).

The spelling of 221002000201 in words is "two hundred twenty-one billion, two million, two hundred one", and thus it is an aban number.