21302020221113 has 8 divisors (see below), whose sum is σ = 21355232959680. Its totient is φ = 21248819872560.

The previous prime is 21302020221109. The next prime is 21302020221137. The reversal of 21302020221113 is 31112202020312.

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 21302020221113 - 2² = 21302020221109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302020221413) 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, 350156 + ... + 6536562.

It is an arithmetic number, because the mean of its divisors is an integer number (2669404119960).

Almost surely, 2^{21302020221113} is an apocalyptic number.

It is an amenable number.

21302020221113 is a deficient number, since it is larger than the sum of its proper divisors (53212738567).

21302020221113 is an equidigital number, since it uses as much as digits as its factorization.

21302020221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195007.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21302020221113 its reverse (31112202020312), we get a palindrome (52414222241425).

The spelling of 21302020221113 in words is "twenty-one trillion, three hundred two billion, twenty million, two hundred twenty-one thousand, one hundred thirteen".