21344101120 has 72 divisors (see below), whose sum is σ = 54133246944. Its totient is φ = 8035418112.

The previous prime is 21344101087. The next prime is 21344101201. The reversal of 21344101120 is 2110144312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468684 + ... + 512203.

It is an arithmetic number, because the mean of its divisors is an integer number (751850652).

Almost surely, 2^21344101120 is an apocalyptic number.

21344101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21344101120 is an abundant number, since it is smaller than the sum of its proper divisors (32789145824).

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

21344101120 is an equidigital number, since it uses as much as digits as its factorization.

21344101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980925 (or 980911 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21344101120 its reverse (2110144312), we get a palindrome (23454245432).

The spelling of 21344101120 in words is "twenty-one billion, three hundred forty-four million, one hundred one thousand, one hundred twenty".