204255420124211 has 4 divisors (see below), whose sum is σ = 204256889969832. Its totient is φ = 204253950278592.

The previous prime is 204255420124201. The next prime is 204255420124237. The reversal of 204255420124211 is 112421024552402.

204255420124211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204255420124211 - 2²² = 204255415929907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204255420124201) 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, 734714345 + ... + 734992298.

It is an arithmetic number, because the mean of its divisors is an integer number (51064222492458).

Almost surely, 2^{204255420124211} is an apocalyptic number.

204255420124211 is a deficient number, since it is larger than the sum of its proper divisors (1469845621).

204255420124211 is a wasteful number, since it uses less digits than its factorization.

204255420124211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469845620.

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 204255420124211 its reverse (112421024552402), we get a palindrome (316676444676613).

The spelling of 204255420124211 in words is "two hundred four trillion, two hundred fifty-five billion, four hundred twenty million, one hundred twenty-four thousand, two hundred eleven".