1000001131111 has 2 divisors, whose sum is σ = 1000001131112. Its totient is φ = 1000001131110.

The previous prime is 1000001131109. The next prime is 1000001131141. The reversal of 1000001131111 is 1111311000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001131111 - 2¹ = 1000001131109 is a prime.

Together with 1000001131109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001131141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000565555 + 500000565556.

It is an arithmetic number, because the mean of its divisors is an integer number (500000565556).

Almost surely, 2^{1000001131111} is an apocalyptic number.

1000001131111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001131111 is an equidigital number, since it uses as much as digits as its factorization.

1000001131111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 1000001131111 its reverse (1111311000001), we get a palindrome (2111312131112).

The spelling of 1000001131111 in words is "one trillion, one million, one hundred thirty-one thousand, one hundred eleven".