12201002011111 has 2 divisors, whose sum is σ = 12201002011112. Its totient is φ = 12201002011110.

The previous prime is 12201002011097. The next prime is 12201002011129. The reversal of 12201002011111 is 11111020010221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201002011111 - 2⁷ = 12201002010983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201002011091 and 12201002011100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201002011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100501005555 + 6100501005556.

It is an arithmetic number, because the mean of its divisors is an integer number (6100501005556).

Almost surely, 2^{12201002011111} is an apocalyptic number.

12201002011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201002011111 is an equidigital number, since it uses as much as digits as its factorization.

12201002011111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12201002011111 its reverse (11111020010221), we get a palindrome (23312022021332).

The spelling of 12201002011111 in words is "twelve trillion, two hundred one billion, two million, eleven thousand, one hundred eleven".