21141013024 has 96 divisors (see below), whose sum is σ = 45619580160. Its totient is φ = 9609062400.

The previous prime is 21141012979. The next prime is 21141013057. The reversal of 21141013024 is 42031014112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 21141012992 and 21141013010.

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, 1513657 + ... + 1527559.

It is an arithmetic number, because the mean of its divisors is an integer number (475203960).

Almost surely, 2^21141013024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21141013024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22809790080).

21141013024 is an abundant number, since it is smaller than the sum of its proper divisors (24478567136).

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

21141013024 is a wasteful number, since it uses less digits than its factorization.

21141013024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034 (or 14026 counting only the distinct ones).

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

Adding to 21141013024 its reverse (42031014112), we get a palindrome (63172027136).

The spelling of 21141013024 in words is "twenty-one billion, one hundred forty-one million, thirteen thousand, twenty-four".