12021101868911 has 2 divisors, whose sum is σ = 12021101868912. Its totient is φ = 12021101868910.

The previous prime is 12021101868901. The next prime is 12021101868913. The reversal of 12021101868911 is 11986810112021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021101868911 is a prime.

Together with 12021101868913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021101868913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010550934455 + 6010550934456.

It is an arithmetic number, because the mean of its divisors is an integer number (6010550934456).

Almost surely, 2^{12021101868911} is an apocalyptic number.

12021101868911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021101868911 is an equidigital number, since it uses as much as digits as its factorization.

12021101868911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 41.

The spelling of 12021101868911 in words is "twelve trillion, twenty-one billion, one hundred one million, eight hundred sixty-eight thousand, nine hundred eleven".