111000000111101 has 4 divisors (see below), whose sum is σ = 111079342500000. Its totient is φ = 110920657722204.

The previous prime is 111000000111047. The next prime is 111000000111149. The reversal of 111000000111101 is 101111000000111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000000111101 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 (111000000111701) 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, 39671192351 + ... + 39671195148.

It is an arithmetic number, because the mean of its divisors is an integer number (27769835625000).

Almost surely, 2^{111000000111101} is an apocalyptic number.

It is an amenable number.

111000000111101 is a deficient number, since it is larger than the sum of its proper divisors (79342388899).

111000000111101 is an equidigital number, since it uses as much as digits as its factorization.

111000000111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79342388898.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111000000111101 its reverse (101111000000111), we get a palindrome (212111000111212).

It can be divided in two parts, 111000000111 and 101, that multiplied together give a palindrome (11211000011211).

The spelling of 111000000111101 in words is "one hundred eleven trillion, one hundred eleven thousand, one hundred one".