100000011191111 has 2 divisors, whose sum is σ = 100000011191112. Its totient is φ = 100000011191110.

The previous prime is 100000011191071. The next prime is 100000011191141. The reversal of 100000011191111 is 111191110000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100000011191111 - 2¹⁴ = 100000011174727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100000011191111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000011191141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000005595555 + 50000005595556.

It is an arithmetic number, because the mean of its divisors is an integer number (50000005595556).

Almost surely, 2^{100000011191111} is an apocalyptic number.

100000011191111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000011191111 is an equidigital number, since it uses as much as digits as its factorization.

100000011191111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 17.

Adding to 100000011191111 its reverse (111191110000001), we get a palindrome (211191121191112).

The spelling of 100000011191111 in words is "one hundred trillion, eleven million, one hundred ninety-one thousand, one hundred eleven".