21024231112203 has 8 divisors (see below), whose sum is σ = 30580699799616. Its totient is φ = 12741958249800.

The previous prime is 21024231112133. The next prime is 21024231112219. The reversal of 21024231112203 is 30221113242012.

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

It is not a de Polignac number, because 21024231112203 - 2⁹ = 21024231111691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21024231112243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318548956213 + ... + 318548956278.

It is an arithmetic number, because the mean of its divisors is an integer number (3822587474952).

Almost surely, 2^{21024231112203} is an apocalyptic number.

21024231112203 is a deficient number, since it is larger than the sum of its proper divisors (9556468687413).

21024231112203 is a wasteful number, since it uses less digits than its factorization.

21024231112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637097912505.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21024231112203 its reverse (30221113242012), we get a palindrome (51245344354215).

The spelling of 21024231112203 in words is "twenty-one trillion, twenty-four billion, two hundred thirty-one million, one hundred twelve thousand, two hundred three".