213301123111 has 4 divisors (see below), whose sum is σ = 213424921192. Its totient is φ = 213177325032.

The previous prime is 213301123051. The next prime is 213301123127. The reversal of 213301123111 is 111321103312.

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 213301123111 - 2¹¹ = 213301121063 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 (213301523111) 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, 61896456 + ... + 61899901.

It is an arithmetic number, because the mean of its divisors is an integer number (53356230298).

Almost surely, 2^213301123111 is an apocalyptic number.

213301123111 is a deficient number, since it is larger than the sum of its proper divisors (123798081).

213301123111 is a wasteful number, since it uses less digits than its factorization.

213301123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123798080.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213301123111 its reverse (111321103312), we get a palindrome (324622226423).

The spelling of 213301123111 in words is "two hundred thirteen billion, three hundred one million, one hundred twenty-three thousand, one hundred eleven".