21302200102223 has 4 divisors (see below), whose sum is σ = 21989367847488. Its totient is φ = 20615032356960.

The previous prime is 21302200102219. The next prime is 21302200102247. The reversal of 21302200102223 is 32220100220312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21302200102223 - 2² = 21302200102219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21302200102195 and 21302200102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302200102523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343583872586 + ... + 343583872647.

It is an arithmetic number, because the mean of its divisors is an integer number (5497341961872).

Almost surely, 2^{21302200102223} is an apocalyptic number.

21302200102223 is a deficient number, since it is larger than the sum of its proper divisors (687167745265).

21302200102223 is an equidigital number, since it uses as much as digits as its factorization.

21302200102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687167745264.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21302200102223 its reverse (32220100220312), we get a palindrome (53522300322535).

The spelling of 21302200102223 in words is "twenty-one trillion, three hundred two billion, two hundred million, one hundred two thousand, two hundred twenty-three".