111000111121 has 8 divisors (see below), whose sum is σ = 111902465024. Its totient is φ = 110098200240.

The previous prime is 111000111007. The next prime is 111000111143. The reversal of 111000111121 is 121111000111.

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 111000111121 - 2⁷ = 111000110993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000111098 and 111000111107.

It is not an unprimeable number, because it can be changed into a prime (111000111181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401986 + ... + 619348.

It is an arithmetic number, because the mean of its divisors is an integer number (13987808128).

Almost surely, 2^111000111121 is an apocalyptic number.

It is an amenable number.

111000111121 is a deficient number, since it is larger than the sum of its proper divisors (902353903).

111000111121 is a wasteful number, since it uses less digits than its factorization.

111000111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221511.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111000111121 its reverse (121111000111), we get a palindrome (232111111232).

It can be divided in two parts, 111000111 and 121, that multiplied together give a palindrome (13431013431).

The spelling of 111000111121 in words is "one hundred eleven billion, one hundred eleven thousand, one hundred twenty-one".