111222022023 has 20 divisors (see below), whose sum is σ = 189881689360. Its totient is φ = 63555440832.

The previous prime is 111222022013. The next prime is 111222022061. The reversal of 111222022023 is 320220222111.

It is not a de Polignac number, because 111222022023 - 2⁹ = 111222021511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111222021987 and 111222022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222022013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98078818 + ... + 98079951.

It is an arithmetic number, because the mean of its divisors is an integer number (9494084468).

Almost surely, 2^111222022023 is an apocalyptic number.

111222022023 is a deficient number, since it is larger than the sum of its proper divisors (78659667337).

111222022023 is an equidigital number, since it uses as much as digits as its factorization.

111222022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196158788 (or 196158779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 111222022023 its reverse (320220222111), we get a palindrome (431442244134).

The spelling of 111222022023 in words is "one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, twenty-three".