11212222201097 has 2 divisors, whose sum is σ = 11212222201098. Its totient is φ = 11212222201096.

The previous prime is 11212222201051. The next prime is 11212222201153. The reversal of 11212222201097 is 79010222221211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11174987095801 + 37235105296 = 3342901^2 + 192964^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212222201097 - 2¹⁰ = 11212222200073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212222201027) 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, 5606111100548 + 5606111100549.

It is an arithmetic number, because the mean of its divisors is an integer number (5606111100549).

Almost surely, 2^{11212222201097} is an apocalyptic number.

It is an amenable number.

11212222201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212222201097 is an equidigital number, since it uses as much as digits as its factorization.

11212222201097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 11212222201097 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, two hundred one thousand, ninety-seven".