1001110091803 has 2 divisors, whose sum is σ = 1001110091804. Its totient is φ = 1001110091802.

The previous prime is 1001110091791. The next prime is 1001110091809. The reversal of 1001110091803 is 3081900111001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3081900111001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001110091803 - 2⁵ = 1001110091771 is a prime.

It is a super-2 number, since 2×1001110091803² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001110091809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555045901 + 500555045902.

It is an arithmetic number, because the mean of its divisors is an integer number (500555045902).

Almost surely, 2^{1001110091803} is an apocalyptic number.

1001110091803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001110091803 is an equidigital number, since it uses as much as digits as its factorization.

1001110091803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 1001110091803 in words is "one trillion, one billion, one hundred ten million, ninety-one thousand, eight hundred three".