100244440121 has 8 divisors (see below), whose sum is σ = 115000685184. Its totient is φ = 85597097760.

The previous prime is 100244440117. The next prime is 100244440123. The reversal of 100244440121 is 121044442001.

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

It is a cyclic number.

It is not a de Polignac number, because 100244440121 - 2² = 100244440117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100244440123) 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, 27223700 + ... + 27227381.

It is an arithmetic number, because the mean of its divisors is an integer number (14375085648).

Almost surely, 2^100244440121 is an apocalyptic number.

It is an amenable number.

100244440121 is a deficient number, since it is larger than the sum of its proper divisors (14756245063).

100244440121 is an equidigital number, since it uses as much as digits as its factorization.

100244440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54451351.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 100244440121 its reverse (121044442001), we get a palindrome (221288882122).

The spelling of 100244440121 in words is "one hundred billion, two hundred forty-four million, four hundred forty thousand, one hundred twenty-one".