21343001120 has 96 divisors (see below), whose sum is σ = 57652560000. Its totient is φ = 7314241536.

The previous prime is 21343001063. The next prime is 21343001149. The reversal of 21343001120 is 2110034312.

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 15 ways as a sum of consecutive naturals, for example, 4588556 + ... + 4593204.

It is an arithmetic number, because the mean of its divisors is an integer number (600547500).

Almost surely, 2^21343001120 is an apocalyptic number.

21343001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21343001120 is an abundant number, since it is smaller than the sum of its proper divisors (36309558880).

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

21343001120 is a wasteful number, since it uses less digits than its factorization.

21343001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770 (or 8762 counting only the distinct ones).

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

Adding to 21343001120 its reverse (2110034312), we get a palindrome (23453035432).

The spelling of 21343001120 in words is "twenty-one billion, three hundred forty-three million, one thousand, one hundred twenty".