111123013321 has 8 divisors (see below), whose sum is σ = 113009099840. Its totient is φ = 109252450512.

The previous prime is 111123013237. The next prime is 111123013343. The reversal of 111123013321 is 123310321111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111123013321 - 2⁷ = 111123013193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111123013721) 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 7 ways as a sum of consecutive naturals, for example, 3866490 + ... + 3895123.

It is an arithmetic number, because the mean of its divisors is an integer number (14126137480).

Almost surely, 2^111123013321 is an apocalyptic number.

It is an amenable number.

111123013321 is a deficient number, since it is larger than the sum of its proper divisors (1886086519).

111123013321 is a wasteful number, since it uses less digits than its factorization.

111123013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761855.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111123013321 its reverse (123310321111), we get a palindrome (234433334432).

The spelling of 111123013321 in words is "one hundred eleven billion, one hundred twenty-three million, thirteen thousand, three hundred twenty-one".