12001100112011 has 8 divisors (see below), whose sum is σ = 12023087334480. Its totient is φ = 11979117001728.

The previous prime is 12001100112007. The next prime is 12001100112013. The reversal of 12001100112011 is 11021100110021.

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 12001100112011 - 2² = 12001100112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001100111983 and 12001100112001.

It is not an unprimeable number, because it can be changed into a prime (12001100112013) 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, 4844840 + ... + 6890186.

It is an arithmetic number, because the mean of its divisors is an integer number (1502885916810).

Almost surely, 2^{12001100112011} is an apocalyptic number.

12001100112011 is a deficient number, since it is larger than the sum of its proper divisors (21987222469).

12001100112011 is a wasteful number, since it uses less digits than its factorization.

12001100112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056093.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001100112011 its reverse (11021100110021), we get a palindrome (23022200222032).

The spelling of 12001100112011 in words is "twelve trillion, one billion, one hundred million, one hundred twelve thousand, eleven".