21114700720680 has 128 divisors (see below), whose sum is σ = 72696160972800. Its totient is φ = 4806023884032.

The previous prime is 21114700720667. The next prime is 21114700720709. The reversal of 21114700720680 is 8602700741112.

It is a super-2 number, since 2×21114700720680² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52386162 + ... + 52787681.

It is an arithmetic number, because the mean of its divisors is an integer number (567938757600).

Almost surely, 2^{21114700720680} is an apocalyptic number.

21114700720680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21114700720680 is an abundant number, since it is smaller than the sum of its proper divisors (51581460252120).

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

21114700720680 is a wasteful number, since it uses less digits than its factorization.

21114700720680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105174103 (or 105174099 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 21114700720680 in words is "twenty-one trillion, one hundred fourteen billion, seven hundred million, seven hundred twenty thousand, six hundred eighty".