111123222101 has 8 divisors (see below), whose sum is σ = 111984199008. Its totient is φ = 110262438000.

The previous prime is 111123222059. The next prime is 111123222149. The reversal of 111123222101 is 101222321111.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-111123222101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111123222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111123222181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242011 + ... + 1328471.

It is an arithmetic number, because the mean of its divisors is an integer number (13998024876).

Almost surely, 2^111123222101 is an apocalyptic number.

It is an amenable number.

111123222101 is a deficient number, since it is larger than the sum of its proper divisors (860976907).

111123222101 is an equidigital number, since it uses as much as digits as its factorization.

111123222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96403.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111123222101 its reverse (101222321111), we get a palindrome (212345543212).

The spelling of 111123222101 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred one".