10650506221 has 8 divisors (see below), whose sum is σ = 11212470080. Its totient is φ = 10088683488.

The previous prime is 10650506179. The next prime is 10650506261. The reversal of 10650506221 is 12260505601.

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 10650506221 - 2⁹ = 10650505709 is a prime.

It is a super-2 number, since 2×10650506221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10650506221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10650506261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142705 + ... + 204121.

It is an arithmetic number, because the mean of its divisors is an integer number (1401558760).

Almost surely, 2^10650506221 is an apocalyptic number.

It is an amenable number.

10650506221 is a deficient number, since it is larger than the sum of its proper divisors (561963859).

10650506221 is an equidigital number, since it uses as much as digits as its factorization.

10650506221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70563.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 10650506221 in words is "ten billion, six hundred fifty million, five hundred six thousand, two hundred twenty-one".