104102240221 has 4 divisors (see below), whose sum is σ = 118973988832. Its totient is φ = 89230491612.

The previous prime is 104102240201. The next prime is 104102240227. The reversal of 104102240221 is 122042201401.

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 not a de Polignac number, because 104102240221 - 2¹⁵ = 104102207453 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 (104102240227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7435874295 + ... + 7435874308.

It is an arithmetic number, because the mean of its divisors is an integer number (29743497208).

Almost surely, 2^104102240221 is an apocalyptic number.

It is an amenable number.

104102240221 is a deficient number, since it is larger than the sum of its proper divisors (14871748611).

104102240221 is an equidigital number, since it uses as much as digits as its factorization.

104102240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14871748610.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 104102240221 its reverse (122042201401), we get a palindrome (226144441622).

The spelling of 104102240221 in words is "one hundred four billion, one hundred two million, two hundred forty thousand, two hundred twenty-one".