12120102112111 has 8 divisors (see below), whose sum is σ = 13988689284384. Its totient is φ = 10285800943200.

The previous prime is 12120102112109. The next prime is 12120102112127. The reversal of 12120102112111 is 11121120102121.

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 12120102112111 - 2¹ = 12120102112109 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 (12120102112141) 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, 8571500080 + ... + 8571501493.

It is an arithmetic number, because the mean of its divisors is an integer number (1748586160548).

Almost surely, 2^{12120102112111} is an apocalyptic number.

12120102112111 is a deficient number, since it is larger than the sum of its proper divisors (1868587172273).

12120102112111 is a wasteful number, since it uses less digits than its factorization.

12120102112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17143001681.

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

Adding to 12120102112111 its reverse (11121120102121), we get a palindrome (23241222214232).

The spelling of 12120102112111 in words is "twelve trillion, one hundred twenty billion, one hundred two million, one hundred twelve thousand, one hundred eleven".