21110014000 has 40 divisors (see below), whose sum is σ = 51044018688. Its totient is φ = 8444004800.

The previous prime is 21110013997. The next prime is 21110014007. The reversal of 21110014000 is 41001112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (21110014007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275504 + ... + 5279503.

Almost surely, 2^21110014000 is an apocalyptic number.

21110014000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110014000 is an abundant number, since it is smaller than the sum of its proper divisors (29934004688).

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

21110014000 is a wasteful number, since it uses less digits than its factorization.

21110014000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555030 (or 10555014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21110014000 its reverse (41001112), we get a palindrome (21151015112).

The spelling of 21110014000 in words is "twenty-one billion, one hundred ten million, fourteen thousand".