1001111101108 has 12 divisors (see below), whose sum is σ = 1812356303940. Its totient is φ = 483295014272.

The previous prime is 1001111101087. The next prime is 1001111101121. The reversal of 1001111101108 is 8011011111001.

It can be written as a sum of positive squares in 2 ways, for example, as 705042350224 + 296068750884 = 839668^2 + 544122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001111101091 and 1001111101100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4315133941 + ... + 4315134172.

It is an arithmetic number, because the mean of its divisors is an integer number (151029691995).

Almost surely, 2^{1001111101108} is an apocalyptic number.

It is an amenable number.

1001111101108 is a deficient number, since it is larger than the sum of its proper divisors (811245202832).

1001111101108 is a wasteful number, since it uses less digits than its factorization.

1001111101108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8630268146 (or 8630268144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 1001111101108 its reverse (8011011111001), we get a palindrome (9012122212109).

The spelling of 1001111101108 in words is "one trillion, one billion, one hundred eleven million, one hundred one thousand, one hundred eight".