1001111000111 has 2 divisors, whose sum is σ = 1001111000112. Its totient is φ = 1001111000110.

The previous prime is 1001111000063. The next prime is 1001111000117. The reversal of 1001111000111 is 1110001111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001111000111 - 2²² = 1001106805807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001111000117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555500055 + 500555500056.

It is an arithmetic number, because the mean of its divisors is an integer number (500555500056).

Almost surely, 2^{1001111000111} is an apocalyptic number.

1001111000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001111000111 is an equidigital number, since it uses as much as digits as its factorization.

1001111000111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1001111000111 its reverse (1110001111001), we get a palindrome (2111112111112).

It can be divided in two parts, 1001 and 111000111, that multiplied together give a palindrome (111111111111).

The spelling of 1001111000111 in words is "one trillion, one billion, one hundred eleven million, one hundred eleven", and thus it is an aban number.