112211220211211 has 12 divisors (see below), whose sum is σ = 124052551407456. Its totient is φ = 101420545836720.

The previous prime is 112211220211177. The next prime is 112211220211219. The reversal of 112211220211211 is 112112022112211.

It is a happy number.

It is not a de Polignac number, because 112211220211211 - 2³⁰ = 112210146469387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112211220211219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2680226051 + ... + 2680267916.

It is an arithmetic number, because the mean of its divisors is an integer number (10337712617288).

Almost surely, 2^{112211220211211} is an apocalyptic number.

112211220211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112211220211211 is a deficient number, since it is larger than the sum of its proper divisors (11841331196245).

112211220211211 is a wasteful number, since it uses less digits than its factorization.

112211220211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360494162 (or 5360494151 counting only the distinct ones).

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

Adding to 112211220211211 its reverse (112112022112211), we get a palindrome (224323242323422).

The spelling of 112211220211211 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".