13210100200021 has 16 divisors (see below), whose sum is σ = 13293554174208. Its totient is φ = 13126819014400.

The previous prime is 13210100199997. The next prime is 13210100200051. The reversal of 13210100200021 is 12000200101231.

It is a cyclic number.

It is not a de Polignac number, because 13210100200021 - 2¹⁹ = 13210099675733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13210100199974 and 13210100200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210100200051) 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, 1135565421 + ... + 1135577053.

It is an arithmetic number, because the mean of its divisors is an integer number (830847135888).

Almost surely, 2^{13210100200021} is an apocalyptic number.

It is an amenable number.

13210100200021 is a deficient number, since it is larger than the sum of its proper divisors (83453974187).

13210100200021 is a wasteful number, since it uses less digits than its factorization.

13210100200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18452.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13210100200021 its reverse (12000200101231), we get a palindrome (25210300301252).

The spelling of 13210100200021 in words is "thirteen trillion, two hundred ten billion, one hundred million, two hundred thousand, twenty-one".