111123332001 has 16 divisors (see below), whose sum is σ = 179593264320. Its totient is φ = 67347473760.

The previous prime is 111123331997. The next prime is 111123332009. The reversal of 111123332001 is 100233321111.

111123332001 is a `hidden beast` number, since 1 + 111 + 233 + 320 + 0 + 1 = 666.

It is not a de Polignac number, because 111123332001 - 2² = 111123331997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111123332009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187076020 + ... + 187076613.

It is an arithmetic number, because the mean of its divisors is an integer number (11224579020).

Almost surely, 2^111123332001 is an apocalyptic number.

111123332001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111123332001 is a deficient number, since it is larger than the sum of its proper divisors (68469932319).

111123332001 is a wasteful number, since it uses less digits than its factorization.

111123332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374152653 (or 374152647 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111123332001 its reverse (100233321111), we get a palindrome (211356653112).

The spelling of 111123332001 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred thirty-two thousand, one".