111100212100223 has 4 divisors (see below), whose sum is σ = 112506543899040. Its totient is φ = 109693880301408.

The previous prime is 111100212100219. The next prime is 111100212100231. The reversal of 111100212100223 is 322001212001111.

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 111100212100223 - 2² = 111100212100219 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 (111100212106223) 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, 703165899290 + ... + 703165899447.

It is an arithmetic number, because the mean of its divisors is an integer number (28126635974760).

Almost surely, 2^{111100212100223} is an apocalyptic number.

111100212100223 is a deficient number, since it is larger than the sum of its proper divisors (1406331798817).

111100212100223 is an equidigital number, since it uses as much as digits as its factorization.

111100212100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406331798816.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111100212100223 its reverse (322001212001111), we get a palindrome (433101424101334).

The spelling of 111100212100223 in words is "one hundred eleven trillion, one hundred billion, two hundred twelve million, one hundred thousand, two hundred twenty-three".