12001101211 has 8 divisors (see below), whose sum is σ = 13396578624. Its totient is φ = 10656368520.

The previous prime is 12001101191. The next prime is 12001101247. The reversal of 12001101211 is 11210110021.

12001101211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12001101211 - 2⁵ = 12001101179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12685681 + ... + 12686626.

It is an arithmetic number, because the mean of its divisors is an integer number (1674572328).

Almost surely, 2^12001101211 is an apocalyptic number.

12001101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12001101211 is a deficient number, since it is larger than the sum of its proper divisors (1395477413).

12001101211 is a wasteful number, since it uses less digits than its factorization.

12001101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372361.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12001101211 its reverse (11210110021), we get a palindrome (23211211232).

The spelling of 12001101211 in words is "twelve billion, one million, one hundred one thousand, two hundred eleven".