1010201209999 has 2 divisors, whose sum is σ = 1010201210000. Its totient is φ = 1010201209998.

The previous prime is 1010201209993. The next prime is 1010201210027. The reversal of 1010201209999 is 9999021020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010201209999 - 2³ = 1010201209991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010201209991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505100604999 + 505100605000.

It is an arithmetic number, because the mean of its divisors is an integer number (505100605000).

Almost surely, 2^{1010201209999} is an apocalyptic number.

1010201209999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010201209999 is an equidigital number, since it uses as much as digits as its factorization.

1010201209999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 1010201209999 in words is "one trillion, ten billion, two hundred one million, two hundred nine thousand, nine hundred ninety-nine".