112121220211211 has 8 divisors (see below), whose sum is σ = 117029899188384. Its totient is φ = 107215361510400.

The previous prime is 112121220211207. The next prime is 112121220211307. The reversal of 112121220211211 is 112112022121211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112121220211211 - 2² = 112121220211207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121220216211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704987840 + ... + 705146861.

It is an arithmetic number, because the mean of its divisors is an integer number (14628737398548).

Almost surely, 2^{112121220211211} is an apocalyptic number.

112121220211211 is a deficient number, since it is larger than the sum of its proper divisors (4908678977173).

112121220211211 is a wasteful number, since it uses less digits than its factorization.

112121220211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410138181.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112121220211211 its reverse (112112022121211), we get a palindrome (224233242332422).

The spelling of 112121220211211 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".