12102111212011 has 2 divisors, whose sum is σ = 12102111212012. Its totient is φ = 12102111212010.

The previous prime is 12102111211999. The next prime is 12102111212207. The reversal of 12102111212011 is 11021211120121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102111212011 is a prime.

It is a super-2 number, since 2×12102111212011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102111212911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051055606005 + 6051055606006.

It is an arithmetic number, because the mean of its divisors is an integer number (6051055606006).

Almost surely, 2^{12102111212011} is an apocalyptic number.

12102111212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102111212011 is an equidigital number, since it uses as much as digits as its factorization.

12102111212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12102111212011 its reverse (11021211120121), we get a palindrome (23123322332132).

The spelling of 12102111212011 in words is "twelve trillion, one hundred two billion, one hundred eleven million, two hundred twelve thousand, eleven".