13421213220201 has 16 divisors (see below), whose sum is σ = 18861301604160. Its totient is φ = 8475942937280.

The previous prime is 13421213220193. The next prime is 13421213220301. The reversal of 13421213220201 is 10202231212431.

It is a cyclic number.

It is not a de Polignac number, because 13421213220201 - 2³ = 13421213220193 is a prime.

It is a super-3 number, since 3×13421213220201³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13421213220001) 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, 1455342735 + ... + 1455351956.

It is an arithmetic number, because the mean of its divisors is an integer number (1178831350260).

Almost surely, 2^{13421213220201} is an apocalyptic number.

It is an amenable number.

13421213220201 is a deficient number, since it is larger than the sum of its proper divisors (5440088383959).

13421213220201 is a wasteful number, since it uses less digits than its factorization.

13421213220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910694776.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13421213220201 its reverse (10202231212431), we get a palindrome (23623444432632).

The spelling of 13421213220201 in words is "thirteen trillion, four hundred twenty-one billion, two hundred thirteen million, two hundred twenty thousand, two hundred one".