21010310232224 has 48 divisors (see below), whose sum is σ = 43550799979680. Its totient is φ = 9950035864320.

The previous prime is 21010310232199. The next prime is 21010310232257. The reversal of 21010310232224 is 42223201301012.

It is a self number, because there is not a number n which added to its sum of digits gives 21010310232224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113842 + ... + 6577329.

It is an arithmetic number, because the mean of its divisors is an integer number (907308332910).

Almost surely, 2^{21010310232224} is an apocalyptic number.

It is an amenable number.

21010310232224 is an abundant number, since it is smaller than the sum of its proper divisors (22540489747456).

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

21010310232224 is a wasteful number, since it uses less digits than its factorization.

21010310232224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695693 (or 7695685 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21010310232224 its reverse (42223201301012), we get a palindrome (63233511533236).

The spelling of 21010310232224 in words is "twenty-one trillion, ten billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty-four".