13421200410221 has 16 divisors (see below), whose sum is σ = 14215144204800. Its totient is φ = 12636243888048.

The previous prime is 13421200410151. The next prime is 13421200410253. The reversal of 13421200410221 is 12201400212431.

13421200410221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13421200410221 - 2¹⁴ = 13421200393837 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 (13421200410271) 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, 1111331 + ... + 5298816.

It is an arithmetic number, because the mean of its divisors is an integer number (888446512800).

Almost surely, 2^{13421200410221} is an apocalyptic number.

It is an amenable number.

13421200410221 is a deficient number, since it is larger than the sum of its proper divisors (793943794579).

13421200410221 is a wasteful number, since it uses less digits than its factorization.

13421200410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410848.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 13421200410221 its reverse (12201400212431), we get a palindrome (25622600622652).

The spelling of 13421200410221 in words is "thirteen trillion, four hundred twenty-one billion, two hundred million, four hundred ten thousand, two hundred twenty-one".