12021002111011 has 2 divisors, whose sum is σ = 12021002111012. Its totient is φ = 12021002111010.

The previous prime is 12021002111009. The next prime is 12021002111071. The reversal of 12021002111011 is 11011120012021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11011120012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021002111011 - 2¹ = 12021002111009 is a prime.

Together with 12021002111009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021002110982 and 12021002111000.

It is not a weakly prime, because it can be changed into another prime (12021002111071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010501055505 + 6010501055506.

It is an arithmetic number, because the mean of its divisors is an integer number (6010501055506).

Almost surely, 2^{12021002111011} is an apocalyptic number.

12021002111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021002111011 is an equidigital number, since it uses as much as digits as its factorization.

12021002111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12021002111011 its reverse (11011120012021), we get a palindrome (23032122123032).

The spelling of 12021002111011 in words is "twelve trillion, twenty-one billion, two million, one hundred eleven thousand, eleven".