21302332101 has 16 divisors (see below), whose sum is σ = 31580523520. Its totient is φ = 14191873920.

The previous prime is 21302332063. The next prime is 21302332111. The reversal of 21302332101 is 10123320312.

21302332101 is a `hidden beast` number, since 21 + 302 + 332 + 10 + 1 = 666.

It is not a de Polignac number, because 21302332101 - 2¹¹ = 21302330053 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 (21302332111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228460 + ... + 307893.

It is an arithmetic number, because the mean of its divisors is an integer number (1973782720).

Almost surely, 2^21302332101 is an apocalyptic number.

It is an amenable number.

21302332101 is a deficient number, since it is larger than the sum of its proper divisors (10278191419).

21302332101 is a wasteful number, since it uses less digits than its factorization.

21302332101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537833 (or 537827 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21302332101 its reverse (10123320312), we get a palindrome (31425652413).

The spelling of 21302332101 in words is "twenty-one billion, three hundred two million, three hundred thirty-two thousand, one hundred one".