104100221 has 8 divisors (see below), whose sum is σ = 111376800. Its totient is φ = 97003440.

The previous prime is 104100211. The next prime is 104100239. The reversal of 104100221 is 122001401.

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 104100221 - 2¹⁰ = 104099197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104100211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43751 + ... + 46068.

It is an arithmetic number, because the mean of its divisors is an integer number (13922100).

Almost surely, 2^104100221 is an apocalyptic number.

It is an amenable number.

104100221 is a deficient number, since it is larger than the sum of its proper divisors (7276579).

104100221 is an equidigital number, since it uses as much as digits as its factorization.

104100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89899.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 104100221 is about 10202.9515827529. The cubic root of 104100221 is about 470.4179487348.

Adding to 104100221 its reverse (122001401), we get a palindrome (226101622).

The spelling of 104100221 in words is "one hundred four million, one hundred thousand, two hundred twenty-one".