12111097 has 2 divisors, whose sum is σ = 12111098. Its totient is φ = 12111096.

The previous prime is 12111091. The next prime is 12111103. The reversal of 12111097 is 79011121.

It is a balanced prime because it is at equal distance from previous prime (12111091) and next prime (12111103).

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 2005056 = 3179^2 + 1416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055548 + 6055549.

It is an arithmetic number, because the mean of its divisors is an integer number (6055549).

Almost surely, 2^12111097 is an apocalyptic number.

It is an amenable number.

12111097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111097 is an equidigital number, since it uses as much as digits as its factorization.

12111097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 12111097 is about 3480.1001422373. The cubic root of 12111097 is about 229.6472032937.

The spelling of 12111097 in words is "twelve million, one hundred eleven thousand, ninety-seven".