204121040213311 has 8 divisors (see below), whose sum is σ = 219824998968960. Its totient is φ = 188417415783072.

The previous prime is 204121040213309. The next prime is 204121040213323. The reversal of 204121040213311 is 113312040121402.

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 204121040213311 - 2¹ = 204121040213309 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 (204121040213351) 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, 82312576 + ... + 84756133.

It is an arithmetic number, because the mean of its divisors is an integer number (27478124871120).

Almost surely, 2^{204121040213311} is an apocalyptic number.

204121040213311 is a deficient number, since it is larger than the sum of its proper divisors (15703958755649).

204121040213311 is a wasteful number, since it uses less digits than its factorization.

204121040213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167162705.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 204121040213311 its reverse (113312040121402), we get a palindrome (317433080334713).

The spelling of 204121040213311 in words is "two hundred four trillion, one hundred twenty-one billion, forty million, two hundred thirteen thousand, three hundred eleven".