1001111442011 has 2 divisors, whose sum is σ = 1001111442012. Its totient is φ = 1001111442010.

The previous prime is 1001111441987. The next prime is 1001111442017. The reversal of 1001111442011 is 1102441111001.

1001111442011 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 (1102441111001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001111442011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001111442017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555721005 + 500555721006.

It is an arithmetic number, because the mean of its divisors is an integer number (500555721006).

Almost surely, 2^{1001111442011} is an apocalyptic number.

1001111442011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001111442011 is an equidigital number, since it uses as much as digits as its factorization.

1001111442011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1001111442011 its reverse (1102441111001), we get a palindrome (2103552553012).

The spelling of 1001111442011 in words is "one trillion, one billion, one hundred eleven million, four hundred forty-two thousand, eleven".