13311202400021 has 16 divisors (see below), whose sum is σ = 13466157127680. Its totient is φ = 13157088215040.

The previous prime is 13311202399949. The next prime is 13311202400039. The reversal of 13311202400021 is 12000420211331.

13311202400021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13311202400021 - 2¹⁴ = 13311202383637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311202399966 and 13311202400002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311202400081) 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, 59117765 + ... + 59342501.

It is an arithmetic number, because the mean of its divisors is an integer number (841634820480).

Almost surely, 2^{13311202400021} is an apocalyptic number.

It is an amenable number.

13311202400021 is a deficient number, since it is larger than the sum of its proper divisors (154954727659).

13311202400021 is a wasteful number, since it uses less digits than its factorization.

13311202400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226604.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13311202400021 its reverse (12000420211331), we get a palindrome (25311622611352).

The spelling of 13311202400021 in words is "thirteen trillion, three hundred eleven billion, two hundred two million, four hundred thousand, twenty-one".