1311110111101 has 16 divisors (see below), whose sum is σ = 1500228172800. Its totient is φ = 1122447028608.

The previous prime is 1311110111093. The next prime is 1311110111209. The reversal of 1311110111101 is 1011110111131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1311110111101 - 2³ = 1311110111093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311110141101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20042835 + ... + 20108143.

It is an arithmetic number, because the mean of its divisors is an integer number (93764260800).

Almost surely, 2^{1311110111101} is an apocalyptic number.

It is an amenable number.

1311110111101 is a deficient number, since it is larger than the sum of its proper divisors (189118061699).

1311110111101 is a wasteful number, since it uses less digits than its factorization.

1311110111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68748.

The product of its (nonzero) digits is 3, while the sum is 13.

Adding to 1311110111101 its reverse (1011110111131), we get a palindrome (2322220222232).

The spelling of 1311110111101 in words is "one trillion, three hundred eleven billion, one hundred ten million, one hundred eleven thousand, one hundred one".