10221070687 has 8 divisors (see below), whose sum is σ = 10492805232. Its totient is φ = 9950404800.

The previous prime is 10221070637. The next prime is 10221070693. The reversal of 10221070687 is 78607012201.

It is a happy number.

10221070687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10221070687 - 2²⁷ = 10086852959 is a prime.

It is a super-3 number, since 3×10221070687³ (a number of 31 digits) contains 333 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 (10221070637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247764 + ... + 286057.

It is an arithmetic number, because the mean of its divisors is an integer number (1311600654).

Almost surely, 2^10221070687 is an apocalyptic number.

10221070687 is a deficient number, since it is larger than the sum of its proper divisors (271734545).

10221070687 is an equidigital number, since it uses as much as digits as its factorization.

10221070687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534329.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 10221070687 its reverse (78607012201), we get a palindrome (88828082888).

The spelling of 10221070687 in words is "ten billion, two hundred twenty-one million, seventy thousand, six hundred eighty-seven".