12101102112111 has 16 divisors (see below), whose sum is σ = 16478695883520. Its totient is φ = 7896628571840.

The previous prime is 12101102112109. The next prime is 12101102112157. The reversal of 12101102112111 is 11121120110121.

It is a cyclic number.

It is not a de Polignac number, because 12101102112111 - 2¹ = 12101102112109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101102112311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146670795 + ... + 146753276.

It is an arithmetic number, because the mean of its divisors is an integer number (1029918492720).

Almost surely, 2^{12101102112111} is an apocalyptic number.

12101102112111 is a deficient number, since it is larger than the sum of its proper divisors (4377593771409).

12101102112111 is a wasteful number, since it uses less digits than its factorization.

12101102112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293424366.

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

Adding to 12101102112111 its reverse (11121120110121), we get a palindrome (23222222222232).

The spelling of 12101102112111 in words is "twelve trillion, one hundred one billion, one hundred two million, one hundred twelve thousand, one hundred eleven".