1320103312111 has 8 divisors (see below), whose sum is σ = 1354129793280. Its totient is φ = 1286324296728.

The previous prime is 1320103312093. The next prime is 1320103312159. The reversal of 1320103312111 is 1112133010231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320103312111 - 2¹¹ = 1320103310063 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 (1320103312711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61855641 + ... + 61876978.

It is an arithmetic number, because the mean of its divisors is an integer number (169266224160).

Almost surely, 2^{1320103312111} is an apocalyptic number.

1320103312111 is a deficient number, since it is larger than the sum of its proper divisors (34026481169).

1320103312111 is a wasteful number, since it uses less digits than its factorization.

1320103312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123732893.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1320103312111 its reverse (1112133010231), we get a palindrome (2432236322342).

The spelling of 1320103312111 in words is "one trillion, three hundred twenty billion, one hundred three million, three hundred twelve thousand, one hundred eleven".