20441311333121 has 16 divisors (see below), whose sum is σ = 23447603088000. Its totient is φ = 17456555220480.

The previous prime is 20441311333117. The next prime is 20441311333171. The reversal of 20441311333121 is 12133311314402.

It is a cyclic number.

It is not a de Polignac number, because 20441311333121 - 2² = 20441311333117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20441311333171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25784081 + ... + 26565041.

It is an arithmetic number, because the mean of its divisors is an integer number (1465475193000).

Almost surely, 2^{20441311333121} is an apocalyptic number.

It is an amenable number.

20441311333121 is a deficient number, since it is larger than the sum of its proper divisors (3006291754879).

20441311333121 is a wasteful number, since it uses less digits than its factorization.

20441311333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794744.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 20441311333121 its reverse (12133311314402), we get a palindrome (32574622647523).

The spelling of 20441311333121 in words is "twenty trillion, four hundred forty-one billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twenty-one".