21331103102023 has 32 divisors (see below), whose sum is σ = 25230781255680. Its totient is φ = 17778564236160.

The previous prime is 21331103101937. The next prime is 21331103102039. The reversal of 21331103102023 is 32020130113312.

It is not a de Polignac number, because 21331103102023 - 2¹⁷ = 21331102970951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21331103101985 and 21331103102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331103102063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52309786 + ... + 52715992.

It is an arithmetic number, because the mean of its divisors is an integer number (788461914240).

Almost surely, 2^{21331103102023} is an apocalyptic number.

21331103102023 is a deficient number, since it is larger than the sum of its proper divisors (3899678153657).

21331103102023 is a wasteful number, since it uses less digits than its factorization.

21331103102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408727.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21331103102023 its reverse (32020130113312), we get a palindrome (53351233215335).

The spelling of 21331103102023 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred three million, one hundred two thousand, twenty-three".