112121220211201 has 4 divisors (see below), whose sum is σ = 112121304813504. Its totient is φ = 112121135608900.

The previous prime is 112121220211129. The next prime is 112121220211207. The reversal of 112121220211201 is 102112022121211.

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 a de Polignac number, because none of the positive numbers 2^k-112121220211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121220211207) 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, 40281085 + ... + 42974506.

It is an arithmetic number, because the mean of its divisors is an integer number (28030326203376).

Almost surely, 2^{112121220211201} is an apocalyptic number.

It is an amenable number.

112121220211201 is a deficient number, since it is larger than the sum of its proper divisors (84602303).

112121220211201 is an equidigital number, since it uses as much as digits as its factorization.

112121220211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84602302.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112121220211201 its reverse (102112022121211), we get a palindrome (214233242332412).

The spelling of 112121220211201 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, two hundred one".