1010202001801 has 2 divisors, whose sum is σ = 1010202001802. Its totient is φ = 1010202001800.

The previous prime is 1010202001741. The next prime is 1010202001829. The reversal of 1010202001801 is 1081002020101.

1010202001801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792854899776 + 217347102025 = 890424^2 + 466205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010202001801 - 2¹¹ = 1010201999753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010202061801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505101000900 + 505101000901.

It is an arithmetic number, because the mean of its divisors is an integer number (505101000901).

Almost surely, 2^{1010202001801} is an apocalyptic number.

It is an amenable number.

1010202001801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010202001801 is an equidigital number, since it uses as much as digits as its factorization.

1010202001801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1010202001801 its reverse (1081002020101), we get a palindrome (2091204021902).

The spelling of 1010202001801 in words is "one trillion, ten billion, two hundred two million, one thousand, eight hundred one".