10432001021 has 4 divisors (see below), whose sum is σ = 11234462652. Its totient is φ = 9629539392.

The previous prime is 10432001011. The next prime is 10432001089. The reversal of 10432001021 is 12010023401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12010023401 = 701 ⋅17132701.

It can be written as a sum of positive squares in 2 ways, for example, as 4612447225 + 5819553796 = 67915^2 + 76286^2 .

It is a cyclic number.

It is not a de Polignac number, because 10432001021 - 2²² = 10427806717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10432000987 and 10432001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10432001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401230796 + ... + 401230821.

It is an arithmetic number, because the mean of its divisors is an integer number (2808615663).

Almost surely, 2^10432001021 is an apocalyptic number.

It is an amenable number.

10432001021 is a deficient number, since it is larger than the sum of its proper divisors (802461631).

10432001021 is an equidigital number, since it uses as much as digits as its factorization.

10432001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802461630.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10432001021 its reverse (12010023401), we get a palindrome (22442024422).

The spelling of 10432001021 in words is "ten billion, four hundred thirty-two million, one thousand, twenty-one".