204213201105 has 8 divisors (see below), whose sum is σ = 326741121792. Its totient is φ = 108913707248.

The previous prime is 204213201083. The next prime is 204213201107. The reversal of 204213201105 is 501102312402.

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 204213201105 - 2¹² = 204213197009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204213201107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6807106689 + ... + 6807106718.

It is an arithmetic number, because the mean of its divisors is an integer number (40842640224).

Almost surely, 2^204213201105 is an apocalyptic number.

It is an amenable number.

204213201105 is a deficient number, since it is larger than the sum of its proper divisors (122527920687).

204213201105 is a wasteful number, since it uses less digits than its factorization.

204213201105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614213415.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 204213201105 its reverse (501102312402), we get a palindrome (705315513507).

The spelling of 204213201105 in words is "two hundred four billion, two hundred thirteen million, two hundred one thousand, one hundred five".