112212111113 has 4 divisors (see below), whose sum is σ = 112347470340. Its totient is φ = 112076751888.

The previous prime is 112212111049. The next prime is 112212111139. The reversal of 112212111113 is 311111212211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62346094864 + 49866016249 = 249692^2 + 223307^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212111113 - 2⁶ = 112212111049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212111091 and 112212111100.

It is not an unprimeable number, because it can be changed into a prime (112212111163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67678370 + ... + 67680027.

It is an arithmetic number, because the mean of its divisors is an integer number (28086867585).

Almost surely, 2^112212111113 is an apocalyptic number.

It is an amenable number.

112212111113 is a deficient number, since it is larger than the sum of its proper divisors (135359227).

112212111113 is an equidigital number, since it uses as much as digits as its factorization.

112212111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135359226.

The product of its digits is 24, while the sum is 17.

Adding to 112212111113 its reverse (311111212211), we get a palindrome (423323323324).

The spelling of 112212111113 in words is "one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred thirteen".