21114042421224 has 32 divisors (see below), whose sum is σ = 53121316929120. Its totient is φ = 6993186023616.

The previous prime is 21114042421163. The next prime is 21114042421249. The reversal of 21114042421224 is 42212424041112.

It is a junction number, because it is equal to n+sod(n) for n = 21114042421191 and 21114042421200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801753454 + ... + 2801760989.

It is an arithmetic number, because the mean of its divisors is an integer number (1660041154035).

Almost surely, 2^{21114042421224} is an apocalyptic number.

21114042421224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21114042421224 is an abundant number, since it is smaller than the sum of its proper divisors (32007274507896).

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

21114042421224 is a wasteful number, since it uses less digits than its factorization.

21114042421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603514609 (or 5603514605 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 21114042421224 its reverse (42212424041112), we get a palindrome (63326466462336).

The spelling of 21114042421224 in words is "twenty-one trillion, one hundred fourteen billion, forty-two million, four hundred twenty-one thousand, two hundred twenty-four".