12201222011101 has 2 divisors, whose sum is σ = 12201222011102. Its totient is φ = 12201222011100.

The previous prime is 12201222011063. The next prime is 12201222011129. The reversal of 12201222011101 is 10111022210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11816915005476 + 384307005625 = 3437574^2 + 619925^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201222011101 - 2²⁵ = 12201188456669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201222011131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100611005550 + 6100611005551.

It is an arithmetic number, because the mean of its divisors is an integer number (6100611005551).

Almost surely, 2^{12201222011101} is an apocalyptic number.

It is an amenable number.

12201222011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201222011101 is an equidigital number, since it uses as much as digits as its factorization.

12201222011101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201222011101 its reverse (10111022210221), we get a palindrome (22312244221322).

The spelling of 12201222011101 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, eleven thousand, one hundred one".