111311333121 has 8 divisors (see below), whose sum is σ = 149235084544. Its totient is φ = 73797568560.

The previous prime is 111311333113. The next prime is 111311333183. The reversal of 111311333121 is 121333113111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111311333121 - 2³ = 111311333113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111311333101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102496081 + ... + 102497166.

It is an arithmetic number, because the mean of its divisors is an integer number (18654385568).

Almost surely, 2^111311333121 is an apocalyptic number.

It is an amenable number.

111311333121 is a deficient number, since it is larger than the sum of its proper divisors (37923751423).

111311333121 is a wasteful number, since it uses less digits than its factorization.

111311333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204993431.

The product of its digits is 162, while the sum is 21.

Adding to 111311333121 its reverse (121333113111), we get a palindrome (232644446232).

The spelling of 111311333121 in words is "one hundred eleven billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twenty-one".