204102410101 has 2 divisors, whose sum is σ = 204102410102. Its totient is φ = 204102410100.

The previous prime is 204102410053. The next prime is 204102410129. The reversal of 204102410101 is 101014201402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185438751876 + 18663658225 = 430626^2 + 136615^2 .

It is a cyclic number.

It is not a de Polignac number, because 204102410101 - 2¹¹ = 204102408053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204102410191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102051205050 + 102051205051.

It is an arithmetic number, because the mean of its divisors is an integer number (102051205051).

Almost surely, 2^204102410101 is an apocalyptic number.

It is an amenable number.

204102410101 is a deficient number, since it is larger than the sum of its proper divisors (1).

204102410101 is an equidigital number, since it uses as much as digits as its factorization.

204102410101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 204102410101 its reverse (101014201402), we get a palindrome (305116611503).

The spelling of 204102410101 in words is "two hundred four billion, one hundred two million, four hundred ten thousand, one hundred one".