200201021000221 has 2 divisors, whose sum is σ = 200201021000222. Its totient is φ = 200201021000220.

The previous prime is 200201021000219. The next prime is 200201021000231. The reversal of 200201021000221 is 122000120102002.

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., 192458436497721 + 7742584502500 = 13872939^2 + 2782550^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201021000221 - 2¹ = 200201021000219 is a prime.

Together with 200201021000219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201021000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100510500110 + 100100510500111.

It is an arithmetic number, because the mean of its divisors is an integer number (100100510500111).

Almost surely, 2^{200201021000221} is an apocalyptic number.

It is an amenable number.

200201021000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201021000221 is an equidigital number, since it uses as much as digits as its factorization.

200201021000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200201021000221 its reverse (122000120102002), we get a palindrome (322201141102223).

The spelling of 200201021000221 in words is "two hundred trillion, two hundred one billion, twenty-one million, two hundred twenty-one", and thus it is an aban number.