21443224113342 has 48 divisors (see below), whose sum is σ = 48863926470528. Its totient is φ = 6786656435520.

The previous prime is 21443224113313. The next prime is 21443224113347. The reversal of 21443224113342 is 24331142234412.

21443224113342 is a `hidden beast` number, since 2 + 1 + 44 + 32 + 241 + 1 + 3 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21443224113297 and 21443224113306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21443224113347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362505493 + ... + 362564640.

It is an arithmetic number, because the mean of its divisors is an integer number (1017998468136).

Almost surely, 2^{21443224113342} is an apocalyptic number.

21443224113342 is an abundant number, since it is smaller than the sum of its proper divisors (27420702357186).

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

21443224113342 is a wasteful number, since it uses less digits than its factorization.

21443224113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725070225 (or 725070222 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 21443224113342 its reverse (24331142234412), we get a palindrome (45774366347754).

The spelling of 21443224113342 in words is "twenty-one trillion, four hundred forty-three billion, two hundred twenty-four million, one hundred thirteen thousand, three hundred forty-two".