1010091811 has 2 divisors, whose sum is σ = 1010091812. Its totient is φ = 1010091810.

The previous prime is 1010091769. The next prime is 1010091827. The reversal of 1010091811 is 1181900101.

1010091811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1181900101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010091811 - 2⁷ = 1010091683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010091611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505045905 + 505045906.

It is an arithmetic number, because the mean of its divisors is an integer number (505045906).

Almost surely, 2^1010091811 is an apocalyptic number.

1010091811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010091811 is an equidigital number, since it uses as much as digits as its factorization.

1010091811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 1010091811 is about 31781.9415863789. The cubic root of 1010091811 is about 1003.3526839484.

Adding to 1010091811 its reverse (1181900101), we get a palindrome (2191991912).

The spelling of 1010091811 in words is "one billion, ten million, ninety-one thousand, eight hundred eleven".