111213411121 has 8 divisors (see below), whose sum is σ = 116090841600. Its totient is φ = 106416599520.

The previous prime is 111213411107. The next prime is 111213411139. The reversal of 111213411121 is 121114312111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111213411121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213411181) 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, 20151901 + ... + 20157418.

It is an arithmetic number, because the mean of its divisors is an integer number (14511355200).

Almost surely, 2^111213411121 is an apocalyptic number.

It is an amenable number.

111213411121 is a deficient number, since it is larger than the sum of its proper divisors (4877430479).

111213411121 is an equidigital number, since it uses as much as digits as its factorization.

111213411121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40309439.

The product of its digits is 48, while the sum is 19.

Adding to 111213411121 its reverse (121114312111), we get a palindrome (232327723232).

The spelling of 111213411121 in words is "one hundred eleven billion, two hundred thirteen million, four hundred eleven thousand, one hundred twenty-one".