112212012221211 has 16 divisors (see below), whose sum is σ = 174479319296000. Its totient is φ = 64121149840104.

The previous prime is 112212012221207. The next prime is 112212012221249. The reversal of 112212012221211 is 112122210212211.

It is not a de Polignac number, because 112212012221211 - 2² = 112212012221207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212012221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54524786251 + ... + 54524788308.

It is an arithmetic number, because the mean of its divisors is an integer number (10904957456000).

Almost surely, 2^{112212012221211} is an apocalyptic number.

112212012221211 is a deficient number, since it is larger than the sum of its proper divisors (62267307074789).

112212012221211 is an equidigital number, since it uses as much as digits as its factorization.

112212012221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109049574583 (or 109049574569 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112212012221211 its reverse (112122210212211), we get a palindrome (224334222433422).

The spelling of 112212012221211 in words is "one hundred twelve trillion, two hundred twelve billion, twelve million, two hundred twenty-one thousand, two hundred eleven".