204201101 has 8 divisors (see below), whose sum is σ = 220119480. Its totient is φ = 188312832.

The previous prime is 204201089. The next prime is 204201119. The reversal of 204201101 is 101102402.

It can be written as a sum of positive squares in 4 ways, for example, as 139876 + 204061225 = 374^2 + 14285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204201101 - 2²² = 200006797 is a prime.

It is a super-2 number, since 2×204201101² = 83396179299224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204201131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7721 + ... + 21633.

It is an arithmetic number, because the mean of its divisors is an integer number (27514935).

Almost surely, 2^204201101 is an apocalyptic number.

It is an amenable number.

204201101 is a deficient number, since it is larger than the sum of its proper divisors (15918379).

204201101 is a wasteful number, since it uses less digits than its factorization.

204201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055.

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

The square root of 204201101 is about 14289.8950660948. The cubic root of 204201101 is about 588.8699051526.

Adding to 204201101 its reverse (101102402), we get a palindrome (305303503).

The spelling of 204201101 in words is "two hundred four million, two hundred one thousand, one hundred one".