21144100024014 has 16 divisors (see below), whose sum is σ = 46132581870720. Its totient is φ = 6407303037560.

The previous prime is 21144100024001. The next prime is 21144100024087. The reversal of 21144100024014 is 41042000144112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160182575874 + ... + 160182576005.

It is an arithmetic number, because the mean of its divisors is an integer number (2883286366920).

Almost surely, 2^{21144100024014} is an apocalyptic number.

21144100024014 is an abundant number, since it is smaller than the sum of its proper divisors (24988481846706).

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

21144100024014 is a wasteful number, since it uses less digits than its factorization.

21144100024014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320365151895.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21144100024014 its reverse (41042000144112), we get a palindrome (62186100168126).

The spelling of 21144100024014 in words is "twenty-one trillion, one hundred forty-four billion, one hundred million, twenty-four thousand, fourteen".