21224144102024 has 16 divisors (see below), whose sum is σ = 41889758096400. Its totient is φ = 10053541942992.

The previous prime is 21224144102017. The next prime is 21224144102039. The reversal of 21224144102024 is 42020144142212.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69816263342 + ... + 69816263645.

It is an arithmetic number, because the mean of its divisors is an integer number (2618109881025).

Almost surely, 2^{21224144102024} is an apocalyptic number.

It is an amenable number.

21224144102024 is a deficient number, since it is larger than the sum of its proper divisors (20665613994376).

21224144102024 is a wasteful number, since it uses less digits than its factorization.

21224144102024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139632527012 (or 139632527008 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 21224144102024 its reverse (42020144142212), we get a palindrome (63244288244236).

The spelling of 21224144102024 in words is "twenty-one trillion, two hundred twenty-four billion, one hundred forty-four million, one hundred two thousand, twenty-four".