111030021323 has 4 divisors (see below), whose sum is σ = 119570792208. Its totient is φ = 102489250440.

The previous prime is 111030021301. The next prime is 111030021329. The reversal of 111030021323 is 323120030111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323120030111 = 19841 ⋅16285471.

It is a cyclic number.

It is not a de Polignac number, because 111030021323 - 2²⁴ = 111013244107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111030021329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270385423 + ... + 4270385448.

It is an arithmetic number, because the mean of its divisors is an integer number (29892698052).

Almost surely, 2^111030021323 is an apocalyptic number.

111030021323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111030021323 is a deficient number, since it is larger than the sum of its proper divisors (8540770885).

111030021323 is an equidigital number, since it uses as much as digits as its factorization.

111030021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540770884.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111030021323 its reverse (323120030111), we get a palindrome (434150051434).

The spelling of 111030021323 in words is "one hundred eleven billion, thirty million, twenty-one thousand, three hundred twenty-three".