111000001112111 has 4 divisors (see below), whose sum is σ = 111000036384792. Its totient is φ = 110999965839432.

The previous prime is 111000001112089. The next prime is 111000001112131. The reversal of 111000001112111 is 111211100000111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000001112111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000001112092 and 111000001112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000001112131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12397181 + ... + 19382726.

It is an arithmetic number, because the mean of its divisors is an integer number (27750009096198).

Almost surely, 2^{111000001112111} is an apocalyptic number.

111000001112111 is a deficient number, since it is larger than the sum of its proper divisors (35272681).

111000001112111 is an equidigital number, since it uses as much as digits as its factorization.

111000001112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35272680.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111000001112111 its reverse (111211100000111), we get a palindrome (222211101112222).

The spelling of 111000001112111 in words is "one hundred eleven trillion, one million, one hundred twelve thousand, one hundred eleven".