104202042220221 has 16 divisors (see below), whose sum is σ = 155091411678720. Its totient is φ = 61684084188720.

The previous prime is 104202042220217. The next prime is 104202042220247. The reversal of 104202042220221 is 122022240202401.

It is not a de Polignac number, because 104202042220221 - 2² = 104202042220217 is a prime.

It is a super-2 number, since 2×104202042220221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104202042220191 and 104202042220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104202042220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36716715361 + ... + 36716718198.

It is an arithmetic number, because the mean of its divisors is an integer number (9693213229920).

Almost surely, 2^{104202042220221} is an apocalyptic number.

104202042220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104202042220221 is a deficient number, since it is larger than the sum of its proper divisors (50889369458499).

104202042220221 is a wasteful number, since it uses less digits than its factorization.

104202042220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73433433616.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 104202042220221 its reverse (122022240202401), we get a palindrome (226224282422622).

The spelling of 104202042220221 in words is "one hundred four trillion, two hundred two billion, forty-two million, two hundred twenty thousand, two hundred twenty-one".