21301001332 has 36 divisors (see below), whose sum is σ = 41303539200. Its totient is φ = 9602584992.

The previous prime is 21301001329. The next prime is 21301001333. The reversal of 21301001332 is 23310010312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301001333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337332 + ... + 395467.

Almost surely, 2^21301001332 is an apocalyptic number.

It is an amenable number.

21301001332 is a deficient number, since it is larger than the sum of its proper divisors (20002537868).

21301001332 is a wasteful number, since it uses less digits than its factorization.

21301001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732872 (or 732857 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21301001332 its reverse (23310010312), we get a palindrome (44611011644).

The spelling of 21301001332 in words is "twenty-one billion, three hundred one million, one thousand, three hundred thirty-two".