10221745217 has 8 divisors (see below), whose sum is σ = 10575364800. Its totient is φ = 9868202064.

The previous prime is 10221745199. The next prime is 10221745243. The reversal of 10221745217 is 71254712201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10221745217 - 2⁸ = 10221744961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221741217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441668 + ... + 464234.

It is an arithmetic number, because the mean of its divisors is an integer number (1321920600).

Almost surely, 2^10221745217 is an apocalyptic number.

It is an amenable number.

10221745217 is a deficient number, since it is larger than the sum of its proper divisors (353619583).

10221745217 is a wasteful number, since it uses less digits than its factorization.

10221745217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38215.

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 10221745217 in words is "ten billion, two hundred twenty-one million, seven hundred forty-five thousand, two hundred seventeen".