10200001019999 has 4 divisors (see below), whose sum is σ = 11657144022864. Its totient is φ = 8742858017136.

The previous prime is 10200001019969. The next prime is 10200001020019. The reversal of 10200001019999 is 99991010000201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10200001019999 - 2⁴⁰ = 9100489392223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200001019969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728571501422 + ... + 728571501435.

It is an arithmetic number, because the mean of its divisors is an integer number (2914286005716).

Almost surely, 2^{10200001019999} is an apocalyptic number.

10200001019999 is a deficient number, since it is larger than the sum of its proper divisors (1457143002865).

10200001019999 is an equidigital number, since it uses as much as digits as its factorization.

10200001019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457143002864.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 10200001019999 in words is "ten trillion, two hundred billion, one million, nineteen thousand, nine hundred ninety-nine".