10221103333221 has 32 divisors (see below), whose sum is σ = 15269263785600. Its totient is φ = 6027031514880.

The previous prime is 10221103333213. The next prime is 10221103333237. The reversal of 10221103333221 is 12233330112201.

It is not a de Polignac number, because 10221103333221 - 2³ = 10221103333213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10221103333191 and 10221103333200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221103333271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62322195 + ... + 62485983.

It is an arithmetic number, because the mean of its divisors is an integer number (477164493300).

Almost surely, 2^{10221103333221} is an apocalyptic number.

10221103333221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221103333221 is a deficient number, since it is larger than the sum of its proper divisors (5048160452379).

10221103333221 is a wasteful number, since it uses less digits than its factorization.

10221103333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214949.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10221103333221 its reverse (12233330112201), we get a palindrome (22454433445422).

The spelling of 10221103333221 in words is "ten trillion, two hundred twenty-one billion, one hundred three million, three hundred thirty-three thousand, two hundred twenty-one".