21033422266504 has 64 divisors (see below), whose sum is σ = 39824532820800. Its totient is φ = 10414074375936.

The previous prime is 21033422266487. The next prime is 21033422266537. The reversal of 21033422266504 is 40566222433012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500619802 + ... + 500661814.

It is an arithmetic number, because the mean of its divisors is an integer number (622258325325).

Almost surely, 2^{21033422266504} is an apocalyptic number.

It is an amenable number.

21033422266504 is a deficient number, since it is larger than the sum of its proper divisors (18791110554296).

21033422266504 is a wasteful number, since it uses less digits than its factorization.

21033422266504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43574 (or 43570 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 21033422266504 its reverse (40566222433012), we get a palindrome (61599644699516).

The spelling of 21033422266504 in words is "twenty-one trillion, thirty-three billion, four hundred twenty-two million, two hundred sixty-six thousand, five hundred four".