12201120011105 has 8 divisors (see below), whose sum is σ = 15146217945000. Its totient is φ = 9424313387776.

The previous prime is 12201120011083. The next prime is 12201120011107. The reversal of 12201120011105 is 50111002110221.

It can be written as a sum of positive squares in 4 ways, for example, as 4542085901089 + 7659034110016 = 2131217^2 + 2767496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12201120011105 - 2¹⁶ = 12201119945569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12201120011107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42072827480 + ... + 42072827769.

It is an arithmetic number, because the mean of its divisors is an integer number (1893277243125).

Almost surely, 2^{12201120011105} is an apocalyptic number.

It is an amenable number.

12201120011105 is a deficient number, since it is larger than the sum of its proper divisors (2945097933895).

12201120011105 is an equidigital number, since it uses as much as digits as its factorization.

12201120011105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84145655283.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 12201120011105 its reverse (50111002110221), we get a palindrome (62312122121326).

The spelling of 12201120011105 in words is "twelve trillion, two hundred one billion, one hundred twenty million, eleven thousand, one hundred five".