1001110111111 has 16 divisors (see below), whose sum is σ = 1099971468288. Its totient is φ = 903566757600.

The previous prime is 1001110111097. The next prime is 1001110111121. The reversal of 1001110111111 is 1111110111001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1001110111111 - 2²¹ = 1001108013959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001110111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890486 + ... + 2361388.

It is an arithmetic number, because the mean of its divisors is an integer number (68748216768).

Almost surely, 2^{1001110111111} is an apocalyptic number.

1001110111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001110111111 is a deficient number, since it is larger than the sum of its proper divisors (98861357177).

1001110111111 is a wasteful number, since it uses less digits than its factorization.

1001110111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472302.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1001110111111 its reverse (1111110111001), we get a palindrome (2112220222112).

The spelling of 1001110111111 in words is "one trillion, one billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".