12120022102111 has 24 divisors (see below), whose sum is σ = 15382275984720. Its totient is φ = 9443088950400.

The previous prime is 12120022102087. The next prime is 12120022102141. The reversal of 12120022102111 is 11120122002121.

It is not a de Polignac number, because 12120022102111 - 2⁹ = 12120022101599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120022102141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3425155 + ... + 5997643.

It is an arithmetic number, because the mean of its divisors is an integer number (640928166030).

Almost surely, 2^{12120022102111} is an apocalyptic number.

12120022102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120022102111 is a deficient number, since it is larger than the sum of its proper divisors (3262253882609).

12120022102111 is a wasteful number, since it uses less digits than its factorization.

12120022102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581255 (or 2581248 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120022102111 its reverse (11120122002121), we get a palindrome (23240144104232).

The spelling of 12120022102111 in words is "twelve trillion, one hundred twenty billion, twenty-two million, one hundred two thousand, one hundred eleven".