213001132123211 has 4 divisors (see below), whose sum is σ = 213001566908352. Its totient is φ = 213000697338072.

The previous prime is 213001132123163. The next prime is 213001132123229. The reversal of 213001132123211 is 112321231100312.

It is a happy number.

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 213001132123211 - 2³⁴ = 212983952254027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213001132143211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216656891 + ... + 217637796.

It is an arithmetic number, because the mean of its divisors is an integer number (53250391727088).

Almost surely, 2^{213001132123211} is an apocalyptic number.

213001132123211 is a deficient number, since it is larger than the sum of its proper divisors (434785141).

213001132123211 is an equidigital number, since it uses as much as digits as its factorization.

213001132123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434785140.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 213001132123211 its reverse (112321231100312), we get a palindrome (325322363223523).

The spelling of 213001132123211 in words is "two hundred thirteen trillion, one billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred eleven".