111020011111223 has 4 divisors (see below), whose sum is σ = 111020355926208. Its totient is φ = 111019666296240.

The previous prime is 111020011111193. The next prime is 111020011111363. The reversal of 111020011111223 is 322111110020111.

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 111020011111223 - 2¹² = 111020011107127 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 (111020011111123) 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, 171924086 + ... + 172568627.

It is an arithmetic number, because the mean of its divisors is an integer number (27755088981552).

Almost surely, 2^{111020011111223} is an apocalyptic number.

111020011111223 is a deficient number, since it is larger than the sum of its proper divisors (344814985).

111020011111223 is an equidigital number, since it uses as much as digits as its factorization.

111020011111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344814984.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111020011111223 its reverse (322111110020111), we get a palindrome (433131121131334).

The spelling of 111020011111223 in words is "one hundred eleven trillion, twenty billion, eleven million, one hundred eleven thousand, two hundred twenty-three".