10200202000221 has 4 divisors (see below), whose sum is σ = 13600269333632. Its totient is φ = 6800134666812.

The previous prime is 10200202000141. The next prime is 10200202000277. The reversal of 10200202000221 is 12200020200201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10200202000221 - 2⁹ = 10200201999709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200202000197 and 10200202000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200202000621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700033666701 + ... + 1700033666706.

It is an arithmetic number, because the mean of its divisors is an integer number (3400067333408).

Almost surely, 2^{10200202000221} is an apocalyptic number.

It is an amenable number.

10200202000221 is a deficient number, since it is larger than the sum of its proper divisors (3400067333411).

10200202000221 is an equidigital number, since it uses as much as digits as its factorization.

10200202000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400067333410.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10200202000221 its reverse (12200020200201), we get a palindrome (22400222200422).

The spelling of 10200202000221 in words is "ten trillion, two hundred billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.