12201021101011 has 2 divisors, whose sum is σ = 12201021101012. Its totient is φ = 12201021101010.

The previous prime is 12201021100987. The next prime is 12201021101111. The reversal of 12201021101011 is 11010112010221.

It is a happy number.

12201021101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201021101011 - 2⁴³ = 3404928078803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201021100982 and 12201021101000.

It is not a weakly prime, because it can be changed into another prime (12201021101111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100510550505 + 6100510550506.

It is an arithmetic number, because the mean of its divisors is an integer number (6100510550506).

Almost surely, 2^{12201021101011} is an apocalyptic number.

12201021101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201021101011 is an equidigital number, since it uses as much as digits as its factorization.

12201021101011 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 12201021101011 its reverse (11010112010221), we get a palindrome (23211133111232).

The spelling of 12201021101011 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred one thousand, eleven".