11001222097 has 2 divisors, whose sum is σ = 11001222098. Its totient is φ = 11001222096.

The previous prime is 11001222079. The next prime is 11001222101. The reversal of 11001222097 is 79022210011.

Together with previous prime (11001222079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7309566016 + 3691656081 = 85496^2 + 60759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001222097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001222017) 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, 5500611048 + 5500611049.

It is an arithmetic number, because the mean of its divisors is an integer number (5500611049).

Almost surely, 2^11001222097 is an apocalyptic number.

It is an amenable number.

11001222097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001222097 is an equidigital number, since it uses as much as digits as its factorization.

11001222097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 11001222097 in words is "eleven billion, one million, two hundred twenty-two thousand, ninety-seven".