204096891101 has 2 divisors, whose sum is σ = 204096891102. Its totient is φ = 204096891100.

The previous prime is 204096891013. The next prime is 204096891107. The reversal of 204096891101 is 101198690402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135832788025 + 68264103076 = 368555^2 + 261274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204096891101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204096891107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102048445550 + 102048445551.

It is an arithmetic number, because the mean of its divisors is an integer number (102048445551).

Almost surely, 2^204096891101 is an apocalyptic number.

It is an amenable number.

204096891101 is a deficient number, since it is larger than the sum of its proper divisors (1).

204096891101 is an equidigital number, since it uses as much as digits as its factorization.

204096891101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 204096891101 in words is "two hundred four billion, ninety-six million, eight hundred ninety-one thousand, one hundred one".