10216125321 has 4 divisors (see below), whose sum is σ = 13621500432. Its totient is φ = 6810750212.

The previous prime is 10216125289. The next prime is 10216125323. The reversal of 10216125321 is 12352161201.

It is a happy number.

10216125321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10216125321 - 2⁵ = 10216125289 is a prime.

It is a super-3 number, since 3×10216125321³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10216125291 and 10216125300.

It is not an unprimeable number, because it can be changed into a prime (10216125323) 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 3 ways as a sum of consecutive naturals, for example, 1702687551 + ... + 1702687556.

It is an arithmetic number, because the mean of its divisors is an integer number (3405375108).

Almost surely, 2^10216125321 is an apocalyptic number.

It is an amenable number.

10216125321 is a deficient number, since it is larger than the sum of its proper divisors (3405375111).

10216125321 is an equidigital number, since it uses as much as digits as its factorization.

10216125321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405375110.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 10216125321 its reverse (12352161201), we get a palindrome (22568286522).

The spelling of 10216125321 in words is "ten billion, two hundred sixteen million, one hundred twenty-five thousand, three hundred twenty-one".