21102332203 has 8 divisors (see below), whose sum is σ = 22437138240. Its totient is φ = 19777914240.

The previous prime is 21102332179. The next prime is 21102332213. The reversal of 21102332203 is 30223320112.

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

It is not a de Polignac number, because 21102332203 - 2⁵ = 21102332171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102332213) 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, 2592828 + ... + 2600953.

It is an arithmetic number, because the mean of its divisors is an integer number (2804642280).

Almost surely, 2^21102332203 is an apocalyptic number.

21102332203 is a deficient number, since it is larger than the sum of its proper divisors (1334806037).

21102332203 is a wasteful number, since it uses less digits than its factorization.

21102332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194037.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21102332203 its reverse (30223320112), we get a palindrome (51325652315).

The spelling of 21102332203 in words is "twenty-one billion, one hundred two million, three hundred thirty-two thousand, two hundred three".