10201109999 has 2 divisors, whose sum is σ = 10201110000. Its totient is φ = 10201109998.

The previous prime is 10201109987. The next prime is 10201110019. The reversal of 10201109999 is 99990110201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201109999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201109909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100554999 + 5100555000.

It is an arithmetic number, because the mean of its divisors is an integer number (5100555000).

Almost surely, 2^10201109999 is an apocalyptic number.

10201109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201109999 is an equidigital number, since it uses as much as digits as its factorization.

10201109999 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 10201109999 in words is "ten billion, two hundred one million, one hundred nine thousand, nine hundred ninety-nine".