204101213443 has 2 divisors, whose sum is σ = 204101213444. Its totient is φ = 204101213442.

The previous prime is 204101213417. The next prime is 204101213479. The reversal of 204101213443 is 344312101402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204101213443 - 2⁵ = 204101213411 is a prime.

It is not a weakly prime, because it can be changed into another prime (204101213483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102050606721 + 102050606722.

It is an arithmetic number, because the mean of its divisors is an integer number (102050606722).

Almost surely, 2^204101213443 is an apocalyptic number.

204101213443 is a deficient number, since it is larger than the sum of its proper divisors (1).

204101213443 is an equidigital number, since it uses as much as digits as its factorization.

204101213443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204101213443 its reverse (344312101402), we get a palindrome (548413314845).

The spelling of 204101213443 in words is "two hundred four billion, one hundred one million, two hundred thirteen thousand, four hundred forty-three".