12111102097 has 2 divisors, whose sum is σ = 12111102098. Its totient is φ = 12111102096.

The previous prime is 12111102049. The next prime is 12111102139. The reversal of 12111102097 is 79020111121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12047038081 + 64064016 = 109759^2 + 8004^2 .

It is a cyclic number.

It is not a de Polignac number, because 12111102097 - 2²³ = 12102713489 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111106097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055551048 + 6055551049.

It is an arithmetic number, because the mean of its divisors is an integer number (6055551049).

Almost surely, 2^12111102097 is an apocalyptic number.

It is an amenable number.

12111102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111102097 is an equidigital number, since it uses as much as digits as its factorization.

12111102097 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 12111102097 in words is "twelve billion, one hundred eleven million, one hundred two thousand, ninety-seven".