21114324442143 has 24 divisors (see below), whose sum is σ = 32316258199680. Its totient is φ = 13247049128400.

The previous prime is 21114324442073. The next prime is 21114324442147. The reversal of 21114324442143 is 34124442341112.

21114324442143 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 432 + 4 + 4 + 4 + 214 + 3 = 666.

It is not a de Polignac number, because 21114324442143 - 2²¹ = 21114322344991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21114324442098 and 21114324442107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114324442147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408833721 + ... + 408885362.

It is an arithmetic number, because the mean of its divisors is an integer number (1346510758320).

Almost surely, 2^{21114324442143} is an apocalyptic number.

21114324442143 is a deficient number, since it is larger than the sum of its proper divisors (11201933757537).

21114324442143 is a wasteful number, since it uses less digits than its factorization.

21114324442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817719259 (or 817719256 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 21114324442143 its reverse (34124442341112), we get a palindrome (55238766783255).

The spelling of 21114324442143 in words is "twenty-one trillion, one hundred fourteen billion, three hundred twenty-four million, four hundred forty-two thousand, one hundred forty-three".