21302101232 has 20 divisors (see below), whose sum is σ = 41324631096. Its totient is φ = 10637680320.

The previous prime is 21302101231. The next prime is 21302101297. The reversal of 21302101232 is 23210120312.

It is a self number, because there is not a number n which added to its sum of digits gives 21302101232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822494 + ... + 847997.

Almost surely, 2^21302101232 is an apocalyptic number.

It is an amenable number.

21302101232 is a deficient number, since it is larger than the sum of its proper divisors (20022529864).

21302101232 is a wasteful number, since it uses less digits than its factorization.

21302101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671296 (or 1671290 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21302101232 its reverse (23210120312), we get a palindrome (44512221544).

The spelling of 21302101232 in words is "twenty-one billion, three hundred two million, one hundred one thousand, two hundred thirty-two".