111021313223 has 4 divisors (see below), whose sum is σ = 112120534248. Its totient is φ = 109922092200.

The previous prime is 111021313159. The next prime is 111021313229. The reversal of 111021313223 is 322313120111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322313120111 = 101 ⋅3191219011.

It is a cyclic number.

It is not a de Polignac number, because 111021313223 - 2⁶ = 111021313159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111021313195 and 111021313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021313229) 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, 549610361 + ... + 549610562.

It is an arithmetic number, because the mean of its divisors is an integer number (28030133562).

Almost surely, 2^111021313223 is an apocalyptic number.

111021313223 is a deficient number, since it is larger than the sum of its proper divisors (1099221025).

111021313223 is a wasteful number, since it uses less digits than its factorization.

111021313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099221024.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111021313223 its reverse (322313120111), we get a palindrome (433334433334).

The spelling of 111021313223 in words is "one hundred eleven billion, twenty-one million, three hundred thirteen thousand, two hundred twenty-three".