10202201033221 has 4 divisors (see below), whose sum is σ = 10202225066572. Its totient is φ = 10202176999872.

The previous prime is 10202201033179. The next prime is 10202201033237. The reversal of 10202201033221 is 12233010220201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8832397644225 + 1369803388996 = 2971935^2 + 1170386^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202201033221 - 2⁷ = 10202201033093 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 (10202201033621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11368260 + ... + 12232813.

It is an arithmetic number, because the mean of its divisors is an integer number (2550556266643).

Almost surely, 2^{10202201033221} is an apocalyptic number.

It is an amenable number.

10202201033221 is a deficient number, since it is larger than the sum of its proper divisors (24033351).

10202201033221 is an equidigital number, since it uses as much as digits as its factorization.

10202201033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24033350.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10202201033221 its reverse (12233010220201), we get a palindrome (22435211253422).

The spelling of 10202201033221 in words is "ten trillion, two hundred two billion, two hundred one million, thirty-three thousand, two hundred twenty-one".