10221303021 has 16 divisors (see below), whose sum is σ = 14048812800. Its totient is φ = 6605368128.

The previous prime is 10221303011. The next prime is 10221303097. The reversal of 10221303021 is 12030312201.

It is not a de Polignac number, because 10221303021 - 2⁷ = 10221302893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221303011) 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, 141301 + ... + 201018.

It is an arithmetic number, because the mean of its divisors is an integer number (878050800).

Almost surely, 2^10221303021 is an apocalyptic number.

It is an amenable number.

10221303021 is a deficient number, since it is larger than the sum of its proper divisors (3827509779).

10221303021 is a wasteful number, since it uses less digits than its factorization.

10221303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342628.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10221303021 its reverse (12030312201), we get a palindrome (22251615222).

The spelling of 10221303021 in words is "ten billion, two hundred twenty-one million, three hundred three thousand, twenty-one".