12212112102011 has 2 divisors, whose sum is σ = 12212112102012. Its totient is φ = 12212112102010.

The previous prime is 12212112102007. The next prime is 12212112102023. The reversal of 12212112102011 is 11020121121221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212112102011 - 2² = 12212112102007 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212112102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106056051005 + 6106056051006.

It is an arithmetic number, because the mean of its divisors is an integer number (6106056051006).

Almost surely, 2^{12212112102011} is an apocalyptic number.

12212112102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212112102011 is an equidigital number, since it uses as much as digits as its factorization.

12212112102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212112102011 its reverse (11020121121221), we get a palindrome (23232233223232).

The spelling of 12212112102011 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, eleven".