21300221301023 has 8 divisors (see below), whose sum is σ = 24348225269760. Its totient is φ = 18253496135160.

The previous prime is 21300221301017. The next prime is 21300221301041. The reversal of 21300221301023 is 32010312200312.

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

It is a cyclic number.

It is not a de Polignac number, because 21300221301023 - 2²⁶ = 21300154192159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21300221300986 and 21300221301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300221301083) 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, 319665023 + ... + 319731648.

It is an arithmetic number, because the mean of its divisors is an integer number (3043528158720).

Almost surely, 2^{21300221301023} is an apocalyptic number.

21300221301023 is a deficient number, since it is larger than the sum of its proper divisors (3048003968737).

21300221301023 is an equidigital number, since it uses as much as digits as its factorization.

21300221301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639401437.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21300221301023 its reverse (32010312200312), we get a palindrome (53310533501335).

The spelling of 21300221301023 in words is "twenty-one trillion, three hundred billion, two hundred twenty-one million, three hundred one thousand, twenty-three".