204041101243 has 12 divisors (see below), whose sum is σ = 240213624840. Its totient is φ = 172785232032.

The previous prime is 204041101241. The next prime is 204041101261. The reversal of 204041101243 is 342101140402.

It is a happy number.

It is not a de Polignac number, because 204041101243 - 2¹ = 204041101241 is a prime.

It is a super-2 number, since 2×204041101243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204041101241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25080898 + ... + 25089031.

It is an arithmetic number, because the mean of its divisors is an integer number (20017802070).

Almost surely, 2^204041101243 is an apocalyptic number.

204041101243 is a deficient number, since it is larger than the sum of its proper divisors (36172523597).

204041101243 is an equidigital number, since it uses as much as digits as its factorization.

204041101243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50170026 (or 50170019 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204041101243 its reverse (342101140402), we get a palindrome (546142241645).

The spelling of 204041101243 in words is "two hundred four billion, forty-one million, one hundred one thousand, two hundred forty-three".