213328111 has 4 divisors (see below), whose sum is σ = 214433632. Its totient is φ = 212222592.

The previous prime is 213328103. The next prime is 213328153. The reversal of 213328111 is 111823312.

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 213328111 - 2³ = 213328103 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 (213328711) 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, 552471 + ... + 552856.

It is an arithmetic number, because the mean of its divisors is an integer number (53608408).

Almost surely, 2^213328111 is an apocalyptic number.

213328111 is a deficient number, since it is larger than the sum of its proper divisors (1105521).

213328111 is a wasteful number, since it uses less digits than its factorization.

213328111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105520.

The product of its digits is 288, while the sum is 22.

The square root of 213328111 is about 14605.7560913497. The cubic root of 213328111 is about 597.5157571284.

The spelling of 213328111 in words is "two hundred thirteen million, three hundred twenty-eight thousand, one hundred eleven".