12201112112011 has 8 divisors (see below), whose sum is σ = 12917514499920. Its totient is φ = 11492133583392.

The previous prime is 12201112111999. The next prime is 12201112112041. The reversal of 12201112112011 is 11021121110221.

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

It is not a de Polignac number, because 12201112112011 - 2¹⁹ = 12201111587723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201112112041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855961440 + ... + 1855968013.

It is an arithmetic number, because the mean of its divisors is an integer number (1614689312490).

Almost surely, 2^{12201112112011} is an apocalyptic number.

12201112112011 is a deficient number, since it is larger than the sum of its proper divisors (716402387909).

12201112112011 is a wasteful number, since it uses less digits than its factorization.

12201112112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711929645.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12201112112011 its reverse (11021121110221), we get a palindrome (23222233222232).

The spelling of 12201112112011 in words is "twelve trillion, two hundred one billion, one hundred twelve million, one hundred twelve thousand, eleven".