112221120311 has 4 divisors (see below), whose sum is σ = 112229221032. Its totient is φ = 112213019592.

The previous prime is 112221120283. The next prime is 112221120313. The reversal of 112221120311 is 113021122211.

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: 113021122211 = 827 ⋅136663993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221120311 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 112221120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221120313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029545 + ... + 4057298.

It is an arithmetic number, because the mean of its divisors is an integer number (28057305258).

Almost surely, 2^112221120311 is an apocalyptic number.

112221120311 is a deficient number, since it is larger than the sum of its proper divisors (8100721).

112221120311 is an equidigital number, since it uses as much as digits as its factorization.

112221120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100720.

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

Adding to 112221120311 its reverse (113021122211), we get a palindrome (225242242522).

The spelling of 112221120311 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, three hundred eleven".