111101110112111 has 8 divisors (see below), whose sum is σ = 126979878719904. Its totient is φ = 95224136866560.

The previous prime is 111101110112093. The next prime is 111101110112189. The reversal of 111101110112111 is 111211011101111.

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 111101110112111 - 2¹⁸ = 111101109849967 is a prime.

It is a super-4 number, since 4×111101110112111⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101110112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448707950 + ... + 448955483.

It is an arithmetic number, because the mean of its divisors is an integer number (15872484839988).

Almost surely, 2^{111101110112111} is an apocalyptic number.

111101110112111 is a deficient number, since it is larger than the sum of its proper divisors (15878768607793).

111101110112111 is an equidigital number, since it uses as much as digits as its factorization.

111101110112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897681121.

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

Adding to 111101110112111 its reverse (111211011101111), we get a palindrome (222312121213222).

The spelling of 111101110112111 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred twelve thousand, one hundred eleven".