12100222222201 has 2 divisors, whose sum is σ = 12100222222202. Its totient is φ = 12100222222200.

The previous prime is 12100222222159. The next prime is 12100222222213. The reversal of 12100222222201 is 10222222200121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10106365260601 + 1993856961600 = 3179051^2 + 1412040^2 .

It is an emirp because it is prime and its reverse (10222222200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100222222201 - 2¹⁷ = 12100222091129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100222222241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050111111100 + 6050111111101.

It is an arithmetic number, because the mean of its divisors is an integer number (6050111111101).

Almost surely, 2^{12100222222201} is an apocalyptic number.

It is an amenable number.

12100222222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100222222201 is an equidigital number, since it uses as much as digits as its factorization.

12100222222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12100222222201 its reverse (10222222200121), we get a palindrome (22322444422322).

The spelling of 12100222222201 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".