12111201112011 has 8 divisors (see below), whose sum is σ = 16149569534160. Its totient is φ = 8073483382272.

The previous prime is 12111201112001. The next prime is 12111201112013. The reversal of 12111201112011 is 11021110211121.

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

It is not a de Polignac number, because 12111201112011 - 2⁷ = 12111201111883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111201112013) 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, 162629670 + ... + 162704123.

It is an arithmetic number, because the mean of its divisors is an integer number (2018696191770).

Almost surely, 2^{12111201112011} is an apocalyptic number.

12111201112011 is a deficient number, since it is larger than the sum of its proper divisors (4038368422149).

12111201112011 is a wasteful number, since it uses less digits than its factorization.

12111201112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325346205.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12111201112011 its reverse (11021110211121), we get a palindrome (23132311323132).

The spelling of 12111201112011 in words is "twelve trillion, one hundred eleven billion, two hundred one million, one hundred twelve thousand, eleven".