12110111012111 has 32 divisors (see below), whose sum is σ = 14214369257088. Its totient is φ = 10100741160960.

The previous prime is 12110111012107. The next prime is 12110111012141. The reversal of 12110111012111 is 11121011101121.

It is a cyclic number.

It is not a de Polignac number, because 12110111012111 - 2² = 12110111012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110111012141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355817351 + ... + 355851383.

It is an arithmetic number, because the mean of its divisors is an integer number (444199039284).

Almost surely, 2^{12110111012111} is an apocalyptic number.

12110111012111 is a deficient number, since it is larger than the sum of its proper divisors (2104258244977).

12110111012111 is a wasteful number, since it uses less digits than its factorization.

12110111012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37251.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 12110111012111 its reverse (11121011101121), we get a palindrome (23231122113232).

The spelling of 12110111012111 in words is "twelve trillion, one hundred ten billion, one hundred eleven million, twelve thousand, one hundred eleven".