21023332103 has 8 divisors (see below), whose sum is σ = 21248061456. Its totient is φ = 20798928000.

The previous prime is 21023332067. The next prime is 21023332147. The reversal of 21023332103 is 30123332012.

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

It is a cyclic number.

It is not a de Polignac number, because 21023332103 - 2²⁴ = 21006554887 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 (21023332153) 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, 49775 + ... + 211007.

It is an arithmetic number, because the mean of its divisors is an integer number (2656007682).

Almost surely, 2^21023332103 is an apocalyptic number.

21023332103 is a deficient number, since it is larger than the sum of its proper divisors (224729353).

21023332103 is a wasteful number, since it uses less digits than its factorization.

21023332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162625.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21023332103 its reverse (30123332012), we get a palindrome (51146664115).

Subtracting 21023332103 from its reverse (30123332012), we obtain a palindrome (9099999909).

The spelling of 21023332103 in words is "twenty-one billion, twenty-three million, three hundred thirty-two thousand, one hundred three".