1100221000097 has 2 divisors, whose sum is σ = 1100221000098. Its totient is φ = 1100221000096.

The previous prime is 1100221000079. The next prime is 1100221000163. The reversal of 1100221000097 is 7900001220011.

Together with previous prime (1100221000079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569298921361 + 530922078736 = 754519^2 + 728644^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100221000097 - 2⁸ = 1100220999841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100221000897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110500048 + 550110500049.

It is an arithmetic number, because the mean of its divisors is an integer number (550110500049).

Almost surely, 2^{1100221000097} is an apocalyptic number.

It is an amenable number.

1100221000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221000097 is an equidigital number, since it uses as much as digits as its factorization.

1100221000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 1100221000097 in words is "one trillion, one hundred billion, two hundred twenty-one million, ninety-seven", and thus it is an aban number.