12001112002111 has 8 divisors (see below), whose sum is σ = 12039331496544. Its totient is φ = 11962894779360.

The previous prime is 12001112002079. The next prime is 12001112002133. The reversal of 12001112002111 is 11120021110021.

It is a happy number.

12001112002111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12001112002111 - 2⁵ = 12001112002079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001112002091 and 12001112002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001112002171) 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, 10348206 + ... + 11449348.

It is an arithmetic number, because the mean of its divisors is an integer number (1504916437068).

Almost surely, 2^{12001112002111} is an apocalyptic number.

12001112002111 is a deficient number, since it is larger than the sum of its proper divisors (38219494433).

12001112002111 is a wasteful number, since it uses less digits than its factorization.

12001112002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135841.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001112002111 its reverse (11120021110021), we get a palindrome (23121133112132).

The spelling of 12001112002111 in words is "twelve trillion, one billion, one hundred twelve million, two thousand, one hundred eleven".