204102021341 has 2 divisors, whose sum is σ = 204102021342. Its totient is φ = 204102021340.

The previous prime is 204102021329. The next prime is 204102021401. The reversal of 204102021341 is 143120201402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156634684441 + 47467336900 = 395771^2 + 217870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204102021341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204102021041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102051010670 + 102051010671.

It is an arithmetic number, because the mean of its divisors is an integer number (102051010671).

Almost surely, 2^204102021341 is an apocalyptic number.

It is an amenable number.

204102021341 is a deficient number, since it is larger than the sum of its proper divisors (1).

204102021341 is an equidigital number, since it uses as much as digits as its factorization.

204102021341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 204102021341 its reverse (143120201402), we get a palindrome (347222222743).

The spelling of 204102021341 in words is "two hundred four billion, one hundred two million, twenty-one thousand, three hundred forty-one".