213442113111 has 8 divisors (see below), whose sum is σ = 284599062144. Its totient is φ = 142289953080.

The previous prime is 213442113097. The next prime is 213442113133. The reversal of 213442113111 is 111311244312.

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

It is not a de Polignac number, because 213442113111 - 2¹³ = 213442104919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213442113161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091931 + ... + 1272476.

It is an arithmetic number, because the mean of its divisors is an integer number (35574882768).

Almost surely, 2^213442113111 is an apocalyptic number.

213442113111 is a deficient number, since it is larger than the sum of its proper divisors (71156949033).

213442113111 is a wasteful number, since it uses less digits than its factorization.

213442113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394501.

The product of its digits is 576, while the sum is 24.

Adding to 213442113111 its reverse (111311244312), we get a palindrome (324753357423).

The spelling of 213442113111 in words is "two hundred thirteen billion, four hundred forty-two million, one hundred thirteen thousand, one hundred eleven".