104220101 has 4 divisors (see below), whose sum is σ = 106186572. Its totient is φ = 102253632.

The previous prime is 104220097. The next prime is 104220121. The reversal of 104220101 is 101022401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92179201 + 12040900 = 9601^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 104220101 - 2² = 104220097 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 (104220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983156 + ... + 983261.

It is an arithmetic number, because the mean of its divisors is an integer number (26546643).

Almost surely, 2^104220101 is an apocalyptic number.

It is an amenable number.

104220101 is a deficient number, since it is larger than the sum of its proper divisors (1966471).

104220101 is an equidigital number, since it uses as much as digits as its factorization.

104220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966470.

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

The square root of 104220101 is about 10208.8246630060. The cubic root of 104220101 is about 470.5984545002.

Adding to 104220101 its reverse (101022401), we get a palindrome (205242502).

The spelling of 104220101 in words is "one hundred four million, two hundred twenty thousand, one hundred one".