111244001 has 4 divisors (see below), whose sum is σ = 121357104. Its totient is φ = 101130900.

The previous prime is 111243989. The next prime is 111244009. The reversal of 111244001 is 100442111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111244001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111244009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056535 + ... + 5056556.

It is an arithmetic number, because the mean of its divisors is an integer number (30339276).

Almost surely, 2^111244001 is an apocalyptic number.

111244001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111244001 is a deficient number, since it is larger than the sum of its proper divisors (10113103).

111244001 is a wasteful number, since it uses less digits than its factorization.

111244001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113102.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111244001 is about 10547.2271711574. The cubic root of 111244001 is about 480.9414407958.

Adding to 111244001 its reverse (100442111), we get a palindrome (211686112).

The spelling of 111244001 in words is "one hundred eleven million, two hundred forty-four thousand, one".