12201101111209 has 2 divisors, whose sum is σ = 12201101111210. Its totient is φ = 12201101111208.

The previous prime is 12201101111099. The next prime is 12201101111233. The reversal of 12201101111209 is 90211110110221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12124693094809 + 76408016400 = 3482053^2 + 276420^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201101111209 - 2³⁷ = 12063662157737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201101111209.

It is not a weakly prime, because it can be changed into another prime (12201101111279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100550555604 + 6100550555605.

It is an arithmetic number, because the mean of its divisors is an integer number (6100550555605).

Almost surely, 2^{12201101111209} is an apocalyptic number.

It is an amenable number.

12201101111209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201101111209 is an equidigital number, since it uses as much as digits as its factorization.

12201101111209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12201101111209 in words is "twelve trillion, two hundred one billion, one hundred one million, one hundred eleven thousand, two hundred nine".