204101101 has 4 divisors (see below), whose sum is σ = 211139100. Its totient is φ = 197063104.

The previous prime is 204101087. The next prime is 204101111. The reversal of 204101101 is 101101402.

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 98525476 + 105575625 = 9926^2 + 10275^2 .

It is a cyclic number.

It is not a de Polignac number, because 204101101 - 2⁵ = 204101069 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 (204101111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518956 + ... + 3519013.

It is an arithmetic number, because the mean of its divisors is an integer number (52784775).

Almost surely, 2^204101101 is an apocalyptic number.

It is an amenable number.

204101101 is a deficient number, since it is larger than the sum of its proper divisors (7037999).

204101101 is an equidigital number, since it uses as much as digits as its factorization.

204101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037998.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 204101101 is about 14286.3956616076. The cubic root of 204101101 is about 588.7737636440.

Adding to 204101101 its reverse (101101402), we get a palindrome (305202503).

The spelling of 204101101 in words is "two hundred four million, one hundred one thousand, one hundred one".