10001203321999 has 2 divisors, whose sum is σ = 10001203322000. Its totient is φ = 10001203321998.

The previous prime is 10001203321987. The next prime is 10001203322023. The reversal of 10001203321999 is 99912330210001.

10001203321999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001203321999 - 2¹¹ = 10001203319951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001203921999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000601660999 + 5000601661000.

It is an arithmetic number, because the mean of its divisors is an integer number (5000601661000).

Almost surely, 2^{10001203321999} is an apocalyptic number.

10001203321999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001203321999 is an equidigital number, since it uses as much as digits as its factorization.

10001203321999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 10001203321999 in words is "ten trillion, one billion, two hundred three million, three hundred twenty-one thousand, nine hundred ninety-nine".