12002100011111 has 8 divisors (see below), whose sum is σ = 14438616554880. Its totient is φ = 9746066174328.

The previous prime is 12002100011093. The next prime is 12002100011191. The reversal of 12002100011111 is 11111000120021.

12002100011111 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 a de Polignac number, because none of the positive numbers 2^k-12002100011111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002100011092 and 12002100011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002100011191) 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, 45120676601 + ... + 45120676866.

It is an arithmetic number, because the mean of its divisors is an integer number (1804827069360).

Almost surely, 2^{12002100011111} is an apocalyptic number.

12002100011111 is a deficient number, since it is larger than the sum of its proper divisors (2436516543769).

12002100011111 is an equidigital number, since it uses as much as digits as its factorization.

12002100011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90241353493.

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

Adding to 12002100011111 its reverse (11111000120021), we get a palindrome (23113100131132).

The spelling of 12002100011111 in words is "twelve trillion, two billion, one hundred million, eleven thousand, one hundred eleven".