10001111120999 has 2 divisors, whose sum is σ = 10001111121000. Its totient is φ = 10001111120998.

The previous prime is 10001111120933. The next prime is 10001111121007. The reversal of 10001111120999 is 99902111110001.

It is a strong prime.

It is an emirp because it is prime and its reverse (99902111110001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001111120999 - 2⁸ = 10001111120743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001111120599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000555560499 + 5000555560500.

It is an arithmetic number, because the mean of its divisors is an integer number (5000555560500).

Almost surely, 2^{10001111120999} is an apocalyptic number.

10001111120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001111120999 is an equidigital number, since it uses as much as digits as its factorization.

10001111120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 35.

The spelling of 10001111120999 in words is "ten trillion, one billion, one hundred eleven million, one hundred twenty thousand, nine hundred ninety-nine".