112212111111101 has 4 divisors (see below), whose sum is σ = 112330603309632. Its totient is φ = 112093618912572.

The previous prime is 112212111111059. The next prime is 112212111111173. The reversal of 112212111111101 is 101111111212211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112212111111101 - 2³⁸ = 111937233204157 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 112212111111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212111116101) 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, 59246097845 + ... + 59246099738.

It is an arithmetic number, because the mean of its divisors is an integer number (28082650827408).

Almost surely, 2^{112212111111101} is an apocalyptic number.

It is an amenable number.

112212111111101 is a deficient number, since it is larger than the sum of its proper divisors (118492198531).

112212111111101 is an equidigital number, since it uses as much as digits as its factorization.

112212111111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118492198530.

The product of its (nonzero) digits is 8, while the sum is 17.

Adding to 112212111111101 its reverse (101111111212211), we get a palindrome (213323222323312).

The spelling of 112212111111101 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred eleven million, one hundred eleven thousand, one hundred one".