21232331102203 has 16 divisors (see below), whose sum is σ = 23036980246336. Its totient is φ = 19452391833600.

The previous prime is 21232331102201. The next prime is 21232331102209. The reversal of 21232331102203 is 30220113323212.

It is a cyclic number.

It is not a de Polignac number, because 21232331102203 - 2¹ = 21232331102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21232331102201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427150 + ... + 6953827.

It is an arithmetic number, because the mean of its divisors is an integer number (1439811265396).

Almost surely, 2^{21232331102203} is an apocalyptic number.

21232331102203 is a deficient number, since it is larger than the sum of its proper divisors (1804649144133).

21232331102203 is a wasteful number, since it uses less digits than its factorization.

21232331102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382294.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21232331102203 its reverse (30220113323212), we get a palindrome (51452444425415).

The spelling of 21232331102203 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-one million, one hundred two thousand, two hundred three".