213120110111 has 8 divisors (see below), whose sum is σ = 213822897024. Its totient is φ = 212418478080.

The previous prime is 213120110087. The next prime is 213120110143. The reversal of 213120110111 is 111011021312.

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

It is a cyclic number.

It is not a de Polignac number, because 213120110111 - 2¹⁰ = 213120109087 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 (213120110171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81746 + ... + 657968.

It is an arithmetic number, because the mean of its divisors is an integer number (26727862128).

Almost surely, 2^213120110111 is an apocalyptic number.

213120110111 is a deficient number, since it is larger than the sum of its proper divisors (702786913).

213120110111 is an equidigital number, since it uses as much as digits as its factorization.

213120110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577441.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 213120110111 its reverse (111011021312), we get a palindrome (324131131423).

The spelling of 213120110111 in words is "two hundred thirteen billion, one hundred twenty million, one hundred ten thousand, one hundred eleven".