1001111110099 has 2 divisors, whose sum is σ = 1001111110100. Its totient is φ = 1001111110098.

The previous prime is 1001111110091. The next prime is 1001111110157. The reversal of 1001111110099 is 9900111111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001111110099 - 2³ = 1001111110091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001111110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555555049 + 500555555050.

It is an arithmetic number, because the mean of its divisors is an integer number (500555555050).

Almost surely, 2^{1001111110099} is an apocalyptic number.

1001111110099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001111110099 is an equidigital number, since it uses as much as digits as its factorization.

1001111110099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 1001111110099 in words is "one trillion, one billion, one hundred eleven million, one hundred ten thousand, ninety-nine".