204121634411141 has 4 divisors (see below), whose sum is σ = 204121845487884. Its totient is φ = 204121423334400.

The previous prime is 204121634411131. The next prime is 204121634411161. The reversal of 204121634411141 is 141114436121402.

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 203834756339041 + 286878072100 = 14277071^2 + 535610^2 .

It is a cyclic number.

It is not a de Polignac number, because 204121634411141 - 2⁶ = 204121634411077 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 (204121634411131) 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, 104081090 + ... + 106024131.

It is an arithmetic number, because the mean of its divisors is an integer number (51030461371971).

Almost surely, 2^{204121634411141} is an apocalyptic number.

It is an amenable number.

204121634411141 is a deficient number, since it is larger than the sum of its proper divisors (211076743).

204121634411141 is an equidigital number, since it uses as much as digits as its factorization.

204121634411141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211076742.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 204121634411141 in words is "two hundred four trillion, one hundred twenty-one billion, six hundred thirty-four million, four hundred eleven thousand, one hundred forty-one".