210111112321223 has 4 divisors (see below), whose sum is σ = 210111204945120. Its totient is φ = 210111019697328.

The previous prime is 210111112321217. The next prime is 210111112321261. The reversal of 210111112321223 is 322123211111012.

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 210111112321223 - 2¹⁰ = 210111112320199 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 (210111112321723) 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, 42821615 + ... + 47475392.

It is an arithmetic number, because the mean of its divisors is an integer number (52527801236280).

Almost surely, 2^{210111112321223} is an apocalyptic number.

210111112321223 is a deficient number, since it is larger than the sum of its proper divisors (92623897).

210111112321223 is an equidigital number, since it uses as much as digits as its factorization.

210111112321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92623896.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 210111112321223 its reverse (322123211111012), we get a palindrome (532234323432235).

The spelling of 210111112321223 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twelve million, three hundred twenty-one thousand, two hundred twenty-three".