111011121110111 has 16 divisors (see below), whose sum is σ = 112015143174144. Its totient is φ = 110010884971104.

The previous prime is 111011121110107. The next prime is 111011121110129.

111011121110111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 111011121110111 - 2² = 111011121110107 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 (111011121110011) 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, 2287779896 + ... + 2287828418.

It is an arithmetic number, because the mean of its divisors is an integer number (7000946448384).

Almost surely, 2^{111011121110111} is an apocalyptic number.

111011121110111 is a deficient number, since it is larger than the sum of its proper divisors (1004022064033).

111011121110111 is a wasteful number, since it uses less digits than its factorization.

111011121110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87110.

The product of its (nonzero) digits is 2, while the sum is 14.

The spelling of 111011121110111 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-one million, one hundred ten thousand, one hundred eleven".