21104401244333 has 8 divisors (see below), whose sum is σ = 23082168227040. Its totient is φ = 19136498436880.

The previous prime is 21104401244273. The next prime is 21104401244359. The reversal of 21104401244333 is 33344210440112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21104401244333 - 2⁸ = 21104401244077 is a prime.

It is a super-2 number, since 2×21104401244333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21104401244333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104401244393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466039335 + ... + 2466047892.

It is an arithmetic number, because the mean of its divisors is an integer number (2885271028380).

Almost surely, 2^{21104401244333} is an apocalyptic number.

It is an amenable number.

21104401244333 is a deficient number, since it is larger than the sum of its proper divisors (1977766982707).

21104401244333 is a wasteful number, since it uses less digits than its factorization.

21104401244333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932087627.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 21104401244333 its reverse (33344210440112), we get a palindrome (54448611684445).

The spelling of 21104401244333 in words is "twenty-one trillion, one hundred four billion, four hundred one million, two hundred forty-four thousand, three hundred thirty-three".