10160021 has 4 divisors (see below), whose sum is σ = 10180044. Its totient is φ = 10140000.

The previous prime is 10160011. The next prime is 10160053. The reversal of 10160021 is 12006101.

10160021 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 an emirpimes, since its reverse is a distinct semiprime: 12006101 = 1229 ⋅9769.

It can be written as a sum of positive squares in 2 ways, for example, as 4157521 + 6002500 = 2039^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 10160021 - 2⁶ = 10159957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10159984 and 10160011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10160011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9230 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (2545011).

Almost surely, 2^10160021 is an apocalyptic number.

It is an amenable number.

10160021 is a deficient number, since it is larger than the sum of its proper divisors (20023).

10160021 is an equidigital number, since it uses as much as digits as its factorization.

10160021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10160021 is about 3187.4787842431. The cubic root of 10160021 is about 216.5865757892.

Adding to 10160021 its reverse (12006101), we get a palindrome (22166122).

The spelling of 10160021 in words is "ten million, one hundred sixty thousand, twenty-one".