21044333210033 has 8 divisors (see below), whose sum is σ = 24057485569152. Its totient is φ = 18032885611776.

The previous prime is 21044333210029. The next prime is 21044333210057. The reversal of 21044333210033 is 33001233344012.

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

It is not a de Polignac number, because 21044333210033 - 2² = 21044333210029 is a prime.

It is a super-2 number, since 2×21044333210033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21044333209978 and 21044333210005.

It is not an unprimeable number, because it can be changed into a prime (21044333216033) 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, 426163760 + ... + 426213137.

It is an arithmetic number, because the mean of its divisors is an integer number (3007185696144).

Almost surely, 2^{21044333210033} is an apocalyptic number.

It is an amenable number.

21044333210033 is a deficient number, since it is larger than the sum of its proper divisors (3013152359119).

21044333210033 is an equidigital number, since it uses as much as digits as its factorization.

21044333210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852380431.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21044333210033 its reverse (33001233344012), we get a palindrome (54045566554045).

The spelling of 21044333210033 in words is "twenty-one trillion, forty-four billion, three hundred thirty-three million, two hundred ten thousand, thirty-three".