10421020223 has 4 divisors (see below), whose sum is σ = 10421238000. Its totient is φ = 10420802448.

The previous prime is 10421020147. The next prime is 10421020249. The reversal of 10421020223 is 32202012401.

10421020223 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.

It is a cyclic number.

It is not a de Polignac number, because 10421020223 - 2⁸ = 10421019967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421020123) 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, 2390 + ... + 144387.

It is an arithmetic number, because the mean of its divisors is an integer number (2605309500).

Almost surely, 2^10421020223 is an apocalyptic number.

10421020223 is a deficient number, since it is larger than the sum of its proper divisors (217777).

10421020223 is an equidigital number, since it uses as much as digits as its factorization.

10421020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217776.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10421020223 its reverse (32202012401), we get a palindrome (42623032624).

The spelling of 10421020223 in words is "ten billion, four hundred twenty-one million, twenty thousand, two hundred twenty-three".