201010020000221 has 8 divisors (see below), whose sum is σ = 201624366731424. Its totient is φ = 200395715834160.

The previous prime is 201010020000161. The next prime is 201010020000233. The reversal of 201010020000221 is 122000020010102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201010020000221 - 2⁶ = 201010020000157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010020000271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169171 + ... + 20084496.

It is an arithmetic number, because the mean of its divisors is an integer number (25203045841428).

Almost surely, 2^{201010020000221} is an apocalyptic number.

It is an amenable number.

201010020000221 is a deficient number, since it is larger than the sum of its proper divisors (614346731203).

201010020000221 is a wasteful number, since it uses less digits than its factorization.

201010020000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21282571.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201010020000221 its reverse (122000020010102), we get a palindrome (323010040010323).

The spelling of 201010020000221 in words is "two hundred one trillion, ten billion, twenty million, two hundred twenty-one", and thus it is an aban number.