13341121404021 has 6 divisors (see below), whose sum is σ = 19270508694710. Its totient is φ = 8894080936008.

The previous prime is 13341121404007. The next prime is 13341121404053. The reversal of 13341121404021 is 12040412114331.

It is a happy number.

13341121404021 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 112 + 140 + 402 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7768004448996 + 5573116955025 = 2787114^2 + 2360745^2 .

It is not a de Polignac number, because 13341121404021 - 2¹¹ = 13341121401973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13341121404421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741173411326 + ... + 741173411343.

Almost surely, 2^{13341121404021} is an apocalyptic number.

It is an amenable number.

13341121404021 is a deficient number, since it is larger than the sum of its proper divisors (5929387290689).

13341121404021 is a wasteful number, since it uses less digits than its factorization.

13341121404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482346822675 (or 1482346822672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13341121404021 its reverse (12040412114331), we get a palindrome (25381533518352).

The spelling of 13341121404021 in words is "thirteen trillion, three hundred forty-one billion, one hundred twenty-one million, four hundred four thousand, twenty-one".