12101120211211 has 32 divisors (see below), whose sum is σ = 12766378014720. Its totient is φ = 11447868668544.

The previous prime is 12101120211179. The next prime is 12101120211319. The reversal of 12101120211211 is 11211202110121.

It is a cyclic number.

It is not a de Polignac number, because 12101120211211 - 2⁵ = 12101120211179 is a prime.

It is a super-2 number, since 2×12101120211211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12101120211511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5186934201 + ... + 5186936533.

It is an arithmetic number, because the mean of its divisors is an integer number (398949312960).

Almost surely, 2^{12101120211211} is an apocalyptic number.

12101120211211 is a deficient number, since it is larger than the sum of its proper divisors (665257803509).

12101120211211 is a wasteful number, since it uses less digits than its factorization.

12101120211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12101120211211 its reverse (11211202110121), we get a palindrome (23312322321332).

The spelling of 12101120211211 in words is "twelve trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".