10208200203221 has 16 divisors (see below), whose sum is σ = 10586687620608. Its totient is φ = 9838525897200.

The previous prime is 10208200203217. The next prime is 10208200203251. The reversal of 10208200203221 is 12230200280201.

It is a cyclic number.

It is not a de Polignac number, because 10208200203221 - 2² = 10208200203217 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 (10208200203251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7567415 + ... + 8813748.

It is an arithmetic number, because the mean of its divisors is an integer number (661667976288).

Almost surely, 2^{10208200203221} is an apocalyptic number.

It is an amenable number.

10208200203221 is a deficient number, since it is larger than the sum of its proper divisors (378487417387).

10208200203221 is a wasteful number, since it uses less digits than its factorization.

10208200203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381432.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10208200203221 its reverse (12230200280201), we get a palindrome (22438400483422).

The spelling of 10208200203221 in words is "ten trillion, two hundred eight billion, two hundred million, two hundred three thousand, two hundred twenty-one".