1101312113311 has 4 divisors (see below), whose sum is σ = 1111604749992. Its totient is φ = 1091019476632.

The previous prime is 1101312113309. The next prime is 1101312113339. The reversal of 1101312113311 is 1133112131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101312113311 - 2¹ = 1101312113309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101312113371) 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 3 ways as a sum of consecutive naturals, for example, 5146318180 + ... + 5146318393.

It is an arithmetic number, because the mean of its divisors is an integer number (277901187498).

Almost surely, 2^{1101312113311} is an apocalyptic number.

1101312113311 is a deficient number, since it is larger than the sum of its proper divisors (10292636681).

1101312113311 is a wasteful number, since it uses less digits than its factorization.

1101312113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292636680.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1101312113311 its reverse (1133112131011), we get a palindrome (2234424244322).

It can be divided in two parts, 11013 and 12113311, that added together give a square (12124324 = 3482²).

The spelling of 1101312113311 in words is "one trillion, one hundred one billion, three hundred twelve million, one hundred thirteen thousand, three hundred eleven".