12000002111 has 2 divisors, whose sum is σ = 12000002112. Its totient is φ = 12000002110.

The previous prime is 12000002107. The next prime is 12000002141. The reversal of 12000002111 is 11120000021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000002111 - 2² = 12000002107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000002101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000001055 + 6000001056.

It is an arithmetic number, because the mean of its divisors is an integer number (6000001056).

Almost surely, 2^12000002111 is an apocalyptic number.

12000002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000002111 is an equidigital number, since it uses as much as digits as its factorization.

12000002111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000002111 its reverse (11120000021), we get a palindrome (23120002132).

It can be divided in two parts, 120000021 and 11, that multiplied together give a palindrome (1320000231).

The spelling of 12000002111 in words is "twelve billion, two thousand, one hundred eleven".