100112321 has 8 divisors (see below), whose sum is σ = 105321600. Its totient is φ = 95020240.

The previous prime is 100112297. The next prime is 100112329. The reversal of 100112321 is 123211001.

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

It is not a de Polignac number, because 100112321 - 2²⁶ = 33003457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100112329) 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, 27545 + ... + 30966.

It is an arithmetic number, because the mean of its divisors is an integer number (13165200).

Almost surely, 2^100112321 is an apocalyptic number.

It is an amenable number.

100112321 is a deficient number, since it is larger than the sum of its proper divisors (5209279).

100112321 is an equidigital number, since it uses as much as digits as its factorization.

100112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58599.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 100112321 is about 10005.6144738842. The cubic root of 100112321 is about 464.3326009702.

Adding to 100112321 its reverse (123211001), we get a palindrome (223323322).

It can be divided in two parts, 1001 and 12321, that multiplied together give a palindrome (12333321).

The spelling of 100112321 in words is "one hundred million, one hundred twelve thousand, three hundred twenty-one".