10565350221 has 8 divisors (see below), whose sum is σ = 14099615680. Its totient is φ = 7037325792.

The previous prime is 10565350199. The next prime is 10565350231. The reversal of 10565350221 is 12205356501.

It is a happy number.

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

It is not a de Polignac number, because 10565350221 - 2⁵ = 10565350189 is a prime.

It is a super-2 number, since 2×10565350221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565350231) 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, 1556305 + ... + 1563078.

It is an arithmetic number, because the mean of its divisors is an integer number (1762451960).

Almost surely, 2^10565350221 is an apocalyptic number.

It is an amenable number.

10565350221 is a deficient number, since it is larger than the sum of its proper divisors (3534265459).

10565350221 is a wasteful number, since it uses less digits than its factorization.

10565350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120515.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 10565350221 in words is "ten billion, five hundred sixty-five million, three hundred fifty thousand, two hundred twenty-one".