21301113132 has 96 divisors (see below), whose sum is σ = 60856463360. Its totient is φ = 6401747520.

The previous prime is 21301113121. The next prime is 21301113179. The reversal of 21301113132 is 23131110312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 116044 + ... + 236787.

Almost surely, 2^21301113132 is an apocalyptic number.

It is an amenable number.

21301113132 is an abundant number, since it is smaller than the sum of its proper divisors (39555350228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21301113132 is a wasteful number, since it uses less digits than its factorization.

21301113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352900 (or 352892 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21301113132 its reverse (23131110312), we get a palindrome (44432223444).

The spelling of 21301113132 in words is "twenty-one billion, three hundred one million, one hundred thirteen thousand, one hundred thirty-two".