21041303111224 has 32 divisors (see below), whose sum is σ = 43039889622000. Its totient is φ = 9564037457920.

The previous prime is 21041303111219. The next prime is 21041303111273. The reversal of 21041303111224 is 42211130314012.

It is a super-2 number, since 2×21041303111224² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2083224 + ... + 6813400.

Almost surely, 2^{21041303111224} is an apocalyptic number.

It is an amenable number.

21041303111224 is an abundant number, since it is smaller than the sum of its proper divisors (21998586510776).

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

21041303111224 is a wasteful number, since it uses less digits than its factorization.

21041303111224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780743 (or 4780739 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21041303111224 its reverse (42211130314012), we get a palindrome (63252433425236).

The spelling of 21041303111224 in words is "twenty-one trillion, forty-one billion, three hundred three million, one hundred eleven thousand, two hundred twenty-four".