21114714500 has 48 divisors (see below), whose sum is σ = 50306780160. Its totient is φ = 7678076000.

The previous prime is 21114714499. The next prime is 21114714547. The reversal of 21114714500 is 541741112.

It is a self number, because there is not a number n which added to its sum of digits gives 21114714500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914020 + ... + 1925019.

It is an arithmetic number, because the mean of its divisors is an integer number (1048057920).

Almost surely, 2^21114714500 is an apocalyptic number.

21114714500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21114714500 is an abundant number, since it is smaller than the sum of its proper divisors (29192065660).

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

21114714500 is a wasteful number, since it uses less digits than its factorization.

21114714500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839069 (or 3839057 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The spelling of 21114714500 in words is "twenty-one billion, one hundred fourteen million, seven hundred fourteen thousand, five hundred".