21102202330023 has 8 divisors (see below), whose sum is σ = 28153188763648. Its totient is φ = 14059675391544.

The previous prime is 21102202330009. The next prime is 21102202330039. The reversal of 21102202330023 is 32003320220112.

It is a happy number.

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

It is not a de Polignac number, because 21102202330023 - 2⁵ = 21102202329991 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 (21102202330003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114867965 + ... + 2114877942.

It is an arithmetic number, because the mean of its divisors is an integer number (3519148595456).

Almost surely, 2^{21102202330023} is an apocalyptic number.

21102202330023 is a deficient number, since it is larger than the sum of its proper divisors (7050986433625).

21102202330023 is a wasteful number, since it uses less digits than its factorization.

21102202330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229747573.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21102202330023 its reverse (32003320220112), we get a palindrome (53105522550135).

The spelling of 21102202330023 in words is "twenty-one trillion, one hundred two billion, two hundred two million, three hundred thirty thousand, twenty-three".