1311024110111 has 16 divisors (see below), whose sum is σ = 1337244318720. Its totient is φ = 1284941321760.

The previous prime is 1311024110101. The next prime is 1311024110129. The reversal of 1311024110111 is 1110114201131.

It is a cyclic number.

It is not a de Polignac number, because 1311024110111 - 2¹⁴ = 1311024093727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311024110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311024110101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39220241 + ... + 39253653.

It is an arithmetic number, because the mean of its divisors is an integer number (83577769920).

Almost surely, 2^{1311024110111} is an apocalyptic number.

1311024110111 is a deficient number, since it is larger than the sum of its proper divisors (26220208609).

1311024110111 is a wasteful number, since it uses less digits than its factorization.

1311024110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35446.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1311024110111 its reverse (1110114201131), we get a palindrome (2421138311242).

The spelling of 1311024110111 in words is "one trillion, three hundred eleven billion, twenty-four million, one hundred ten thousand, one hundred eleven".