12021102110011 has 2 divisors, whose sum is σ = 12021102110012. Its totient is φ = 12021102110010.

The previous prime is 12021102110009. The next prime is 12021102110023. The reversal of 12021102110011 is 11001120112021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021102110011 - 2¹ = 12021102110009 is a prime.

Together with 12021102110009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021102109973 and 12021102110000.

It is not a weakly prime, because it can be changed into another prime (12021102119011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010551055005 + 6010551055006.

It is an arithmetic number, because the mean of its divisors is an integer number (6010551055006).

Almost surely, 2^{12021102110011} is an apocalyptic number.

12021102110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021102110011 is an equidigital number, since it uses as much as digits as its factorization.

12021102110011 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 12021102110011 its reverse (11001120112021), we get a palindrome (23022222222032).

The spelling of 12021102110011 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred ten thousand, eleven".