21301311101 has 8 divisors (see below), whose sum is σ = 25183816320. Its totient is φ = 17628671088.

The previous prime is 21301311029. The next prime is 21301311133. The reversal of 21301311101 is 10111310312.

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 21301311101 - 2³⁰ = 20227569277 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 (21301311191) 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, 52466081 + ... + 52466486.

It is an arithmetic number, because the mean of its divisors is an integer number (3147977040).

Almost surely, 2^21301311101 is an apocalyptic number.

It is an amenable number.

21301311101 is a deficient number, since it is larger than the sum of its proper divisors (3882505219).

21301311101 is a wasteful number, since it uses less digits than its factorization.

21301311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104932603.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 21301311101 its reverse (10111310312), we get a palindrome (31412621413).

The spelling of 21301311101 in words is "twenty-one billion, three hundred one million, three hundred eleven thousand, one hundred one".