213021013201 has 4 divisors (see below), whose sum is σ = 217553375232. Its totient is φ = 208488651172.

The previous prime is 213021013189. The next prime is 213021013213. The reversal of 213021013201 is 102310120312.

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 an interprime number because it is at equal distance from previous prime (213021013189) and next prime (213021013213).

It is a cyclic number.

It is not a de Polignac number, because 213021013201 - 2¹³ = 213021005009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213021014201) 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, 2266180945 + ... + 2266181038.

It is an arithmetic number, because the mean of its divisors is an integer number (54388343808).

Almost surely, 2^213021013201 is an apocalyptic number.

It is an amenable number.

213021013201 is a deficient number, since it is larger than the sum of its proper divisors (4532362031).

213021013201 is an equidigital number, since it uses as much as digits as its factorization.

213021013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532362030.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213021013201 its reverse (102310120312), we get a palindrome (315331133513).

The spelling of 213021013201 in words is "two hundred thirteen billion, twenty-one million, thirteen thousand, two hundred one".