111101020223 has 4 divisors (see below), whose sum is σ = 116948442360. Its totient is φ = 105253598088.

The previous prime is 111101020181. The next prime is 111101020231. The reversal of 111101020223 is 322020101111.

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 111101020223 - 2¹⁰ = 111101019199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111101020198 and 111101020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923711040 + ... + 2923711077.

It is an arithmetic number, because the mean of its divisors is an integer number (29237110590).

Almost surely, 2^111101020223 is an apocalyptic number.

111101020223 is a deficient number, since it is larger than the sum of its proper divisors (5847422137).

111101020223 is an equidigital number, since it uses as much as digits as its factorization.

111101020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847422136.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111101020223 its reverse (322020101111), we get a palindrome (433121121334).

The spelling of 111101020223 in words is "one hundred eleven billion, one hundred one million, twenty thousand, two hundred twenty-three".