213113221201 has 4 divisors (see below), whose sum is σ = 214052046192. Its totient is φ = 212174396212.

The previous prime is 213113221171. The next prime is 213113221219. The reversal of 213113221201 is 102122311312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213113221201 - 2¹³ = 213113213009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213113221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469412155 + ... + 469412608.

It is an arithmetic number, because the mean of its divisors is an integer number (53513011548).

Almost surely, 2^213113221201 is an apocalyptic number.

It is an amenable number.

213113221201 is a deficient number, since it is larger than the sum of its proper divisors (938824991).

213113221201 is an equidigital number, since it uses as much as digits as its factorization.

213113221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938824990.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213113221201 its reverse (102122311312), we get a palindrome (315235532513).

The spelling of 213113221201 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred one".