213143001211 has 4 divisors (see below), whose sum is σ = 243592001392. Its totient is φ = 182694001032.

The previous prime is 213143001199. The next prime is 213143001283. The reversal of 213143001211 is 112100341312.

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 213143001211 - 2¹⁷ = 213142870139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213144001211) 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, 15224500080 + ... + 15224500093.

It is an arithmetic number, because the mean of its divisors is an integer number (60898000348).

Almost surely, 2^213143001211 is an apocalyptic number.

213143001211 is a deficient number, since it is larger than the sum of its proper divisors (30449000181).

213143001211 is an equidigital number, since it uses as much as digits as its factorization.

213143001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30449000180.

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

Adding to 213143001211 its reverse (112100341312), we get a palindrome (325243342523).

The spelling of 213143001211 in words is "two hundred thirteen billion, one hundred forty-three million, one thousand, two hundred eleven".