211112380165 has 8 divisors (see below), whose sum is σ = 257628667680. Its totient is φ = 166027363152.

The previous prime is 211112380139. The next prime is 211112380169. The reversal of 211112380165 is 561083211112.

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 211112380165 - 2⁵ = 211112380133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112380169) 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, 357817299 + ... + 357817888.

It is an arithmetic number, because the mean of its divisors is an integer number (32203583460).

Almost surely, 2^211112380165 is an apocalyptic number.

It is an amenable number.

211112380165 is a deficient number, since it is larger than the sum of its proper divisors (46516287515).

211112380165 is an equidigital number, since it uses as much as digits as its factorization.

211112380165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715635251.

The product of its (nonzero) digits is 2880, while the sum is 31.

Adding to 211112380165 its reverse (561083211112), we get a palindrome (772195591277).

The spelling of 211112380165 in words is "two hundred eleven billion, one hundred twelve million, three hundred eighty thousand, one hundred sixty-five".