104404011221 has 16 divisors (see below), whose sum is σ = 112914446400. Its totient is φ = 96197269248.

The previous prime is 104404011203. The next prime is 104404011233. The reversal of 104404011221 is 122110404401.

It is a cyclic number.

It is not a de Polignac number, because 104404011221 - 2¹⁸ = 104403749077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104404011193 and 104404011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104404011281) 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, 1805666 + ... + 1862588.

It is an arithmetic number, because the mean of its divisors is an integer number (7057152900).

Almost surely, 2^104404011221 is an apocalyptic number.

It is an amenable number.

104404011221 is a deficient number, since it is larger than the sum of its proper divisors (8510435179).

104404011221 is a wasteful number, since it uses less digits than its factorization.

104404011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59588.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 104404011221 its reverse (122110404401), we get a palindrome (226514415622).

The spelling of 104404011221 in words is "one hundred four billion, four hundred four million, eleven thousand, two hundred twenty-one".