13215314220211 has 4 divisors (see below), whose sum is σ = 13248270116424. Its totient is φ = 13182358324000.

The previous prime is 13215314220133. The next prime is 13215314220217. The reversal of 13215314220211 is 11202241351231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13215314220211 - 2²³ = 13215305831603 is a prime.

It is a super-2 number, since 2×13215314220211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13215314220211.

It is not an unprimeable number, because it can be changed into a prime (13215314220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16477947505 + ... + 16477948306.

It is an arithmetic number, because the mean of its divisors is an integer number (3312067529106).

Almost surely, 2^{13215314220211} is an apocalyptic number.

13215314220211 is a deficient number, since it is larger than the sum of its proper divisors (32955896213).

13215314220211 is an equidigital number, since it uses as much as digits as its factorization.

13215314220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32955896212.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 13215314220211 its reverse (11202241351231), we get a palindrome (24417555571442).

The spelling of 13215314220211 in words is "thirteen trillion, two hundred fifteen billion, three hundred fourteen million, two hundred twenty thousand, two hundred eleven".