21114423020224 has 28 divisors (see below), whose sum is σ = 41899615371544. Its totient is φ = 10557039619584.

The previous prime is 21114423020183. The next prime is 21114423020227. The reversal of 21114423020224 is 42202032441112.

It is a junction number, because it is equal to n+sod(n) for n = 21114423020192 and 21114423020201.

It is not an unprimeable number, because it can be changed into a prime (21114423020227) 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 3 ways as a sum of consecutive naturals, for example, 1322047 + ... + 6631489.

It is an arithmetic number, because the mean of its divisors is an integer number (1496414834698).

Almost surely, 2^{21114423020224} is an apocalyptic number.

It is an amenable number.

21114423020224 is a deficient number, since it is larger than the sum of its proper divisors (20785192351320).

21114423020224 is an equidigital number, since it uses as much as digits as its factorization.

21114423020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371592 (or 5371582 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21114423020224 its reverse (42202032441112), we get a palindrome (63316455461336).

The spelling of 21114423020224 in words is "twenty-one trillion, one hundred fourteen billion, four hundred twenty-three million, twenty thousand, two hundred twenty-four".