112012221122209 has 4 divisors (see below), whose sum is σ = 112044566554816. Its totient is φ = 111979875689604.

The previous prime is 112012221122189. The next prime is 112012221122231. The reversal of 112012221122209 is 902221122210211.

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 112012221122209 - 2²³ = 112012212733601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112012221122309) 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, 16172711109 + ... + 16172718034.

It is an arithmetic number, because the mean of its divisors is an integer number (28011141638704).

Almost surely, 2^{112012221122209} is an apocalyptic number.

It is an amenable number.

112012221122209 is a deficient number, since it is larger than the sum of its proper divisors (32345432607).

112012221122209 is an equidigital number, since it uses as much as digits as its factorization.

112012221122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32345432606.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 112012221122209 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred nine".