12100011021097 has 2 divisors, whose sum is σ = 12100011021098. Its totient is φ = 12100011021096.

The previous prime is 12100011021019. The next prime is 12100011021229. The reversal of 12100011021097 is 79012011000121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11334965161536 + 765045859561 = 3366744^2 + 874669^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100011021097 - 2¹¹ = 12100011019049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100011121097) 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, 6050005510548 + 6050005510549.

It is an arithmetic number, because the mean of its divisors is an integer number (6050005510549).

Almost surely, 2^{12100011021097} is an apocalyptic number.

It is an amenable number.

12100011021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100011021097 is an equidigital number, since it uses as much as digits as its factorization.

12100011021097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 12100011021097 in words is "twelve trillion, one hundred billion, eleven million, twenty-one thousand, ninety-seven".