10221002203221 has 24 divisors (see below), whose sum is σ = 15240095546624. Its totient is φ = 6594117828480.

The previous prime is 10221002203211. The next prime is 10221002203229. The reversal of 10221002203221 is 12230220012201.

10221002203221 is a `hidden beast` number, since 1 + 0 + 22 + 100 + 220 + 322 + 1 = 666.

It is not a de Polignac number, because 10221002203221 - 2⁴¹ = 8021978947669 is a prime.

It is a super-3 number, since 3×10221002203221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221002203194 and 10221002203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221002203229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32749110 + ... + 33059736.

Almost surely, 2^{10221002203221} is an apocalyptic number.

It is an amenable number.

10221002203221 is a deficient number, since it is larger than the sum of its proper divisors (5019093343403).

10221002203221 is a wasteful number, since it uses less digits than its factorization.

10221002203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428601 (or 428598 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10221002203221 its reverse (12230220012201), we get a palindrome (22451222215422).

The spelling of 10221002203221 in words is "ten trillion, two hundred twenty-one billion, two million, two hundred three thousand, two hundred twenty-one".