10011001209999 has 16 divisors (see below), whose sum is σ = 13610256377472. Its totient is φ = 6543066122528.

The previous prime is 10011001209997. The next prime is 10011001210031. The reversal of 10011001209999 is 99990210011001.

It is a cyclic number.

It is not a de Polignac number, because 10011001209999 - 2¹ = 10011001209997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10011001209999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011001209997) 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 in 15 ways as a sum of consecutive naturals, for example, 23878749 + ... + 24294374.

It is an arithmetic number, because the mean of its divisors is an integer number (850641023592).

Almost surely, 2^{10011001209999} is an apocalyptic number.

10011001209999 is a deficient number, since it is larger than the sum of its proper divisors (3599255167473).

10011001209999 is a wasteful number, since it uses less digits than its factorization.

10011001209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48174486.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 10011001209999 in words is "ten trillion, eleven billion, one million, two hundred nine thousand, nine hundred ninety-nine".