111205404122 has 8 divisors (see below), whose sum is σ = 169635362400. Its totient is φ = 54660283324.

The previous prime is 111205404119. The next prime is 111205404203. The reversal of 111205404122 is 221404502111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471209222 + ... + 471209457.

It is an arithmetic number, because the mean of its divisors is an integer number (21204420300).

Almost surely, 2^111205404122 is an apocalyptic number.

111205404122 is a deficient number, since it is larger than the sum of its proper divisors (58429958278).

111205404122 is an equidigital number, since it uses as much as digits as its factorization.

111205404122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942418740.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 111205404122 its reverse (221404502111), we get a palindrome (332609906233).

The spelling of 111205404122 in words is "one hundred eleven billion, two hundred five million, four hundred four thousand, one hundred twenty-two".