12120102111111 has 8 divisors (see below), whose sum is σ = 16205915572080. Its totient is φ = 8057178362112.

The previous prime is 12120102111107. The next prime is 12120102111179. The reversal of 12120102111111 is 11111120102121.

12120102111111 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 not a de Polignac number, because 12120102111111 - 2² = 12120102111107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120102111511) 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, 5722426756 + ... + 5722428873.

It is an arithmetic number, because the mean of its divisors is an integer number (2025739446510).

Almost surely, 2^{12120102111111} is an apocalyptic number.

12120102111111 is a deficient number, since it is larger than the sum of its proper divisors (4085813460969).

12120102111111 is a wasteful number, since it uses less digits than its factorization.

12120102111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444855985.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12120102111111 its reverse (11111120102121), we get a palindrome (23231222213232).

The spelling of 12120102111111 in words is "twelve trillion, one hundred twenty billion, one hundred two million, one hundred eleven thousand, one hundred eleven".