112220123111 has 4 divisors (see below), whose sum is σ = 118126445400. Its totient is φ = 106313800824.

The previous prime is 112220123107. The next prime is 112220123129. The reversal of 112220123111 is 111321022211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112220123111 - 2² = 112220123107 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 112220123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220123131) 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, 2953161116 + ... + 2953161153.

It is an arithmetic number, because the mean of its divisors is an integer number (29531611350).

Almost surely, 2^112220123111 is an apocalyptic number.

112220123111 is a deficient number, since it is larger than the sum of its proper divisors (5906322289).

112220123111 is an equidigital number, since it uses as much as digits as its factorization.

112220123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906322288.

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

Adding to 112220123111 its reverse (111321022211), we get a palindrome (223541145322).

The spelling of 112220123111 in words is "one hundred twelve billion, two hundred twenty million, one hundred twenty-three thousand, one hundred eleven".