1121221102097 has 2 divisors, whose sum is σ = 1121221102098. Its totient is φ = 1121221102096.

The previous prime is 1121221102021. The next prime is 1121221102121. The reversal of 1121221102097 is 7902011221211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906806725696 + 214414376401 = 952264^2 + 463049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121221102097 - 2¹⁰ = 1121221101073 is a prime.

It is a super-2 number, since 2×1121221102097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121221102997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610551048 + 560610551049.

It is an arithmetic number, because the mean of its divisors is an integer number (560610551049).

Almost surely, 2^{1121221102097} is an apocalyptic number.

It is an amenable number.

1121221102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121221102097 is an equidigital number, since it uses as much as digits as its factorization.

1121221102097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 1121221102097 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, ninety-seven".