12101099 has 2 divisors, whose sum is σ = 12101100. Its totient is φ = 12101098.

The previous prime is 12101087. The next prime is 12101123. The reversal of 12101099 is 99010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101099 - 2⁸ = 12100843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12101009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050549 + 6050550.

It is an arithmetic number, because the mean of its divisors is an integer number (6050550).

Almost surely, 2^12101099 is an apocalyptic number.

12101099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101099 is an equidigital number, since it uses as much as digits as its factorization.

12101099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 12101099 is about 3478.6633927415. The cubic root of 12101099 is about 229.5839928118.

The spelling of 12101099 in words is "twelve million, one hundred one thousand, ninety-nine".