213143042111 has 8 divisors (see below), whose sum is σ = 213415171200. Its totient is φ = 212871075352.

The previous prime is 213143042087. The next prime is 213143042141. The reversal of 213143042111 is 111240341312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213143042111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143042141) 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 7 ways as a sum of consecutive naturals, for example, 2704340 + ... + 2782038.

It is an arithmetic number, because the mean of its divisors is an integer number (26676896400).

Almost surely, 2^213143042111 is an apocalyptic number.

213143042111 is a deficient number, since it is larger than the sum of its proper divisors (272129089).

213143042111 is a wasteful number, since it uses less digits than its factorization.

213143042111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81165.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 213143042111 its reverse (111240341312), we get a palindrome (324383383423).

The spelling of 213143042111 in words is "two hundred thirteen billion, one hundred forty-three million, forty-two thousand, one hundred eleven".