1101111320323 has 16 divisors (see below), whose sum is σ = 1272673728000. Its totient is φ = 933116133312.

The previous prime is 1101111320303. The next prime is 1101111320339. The reversal of 1101111320323 is 3230231111011.

It is a cyclic number.

It is not a de Polignac number, because 1101111320323 - 2⁵ = 1101111320291 is a prime.

It is a super-2 number, since 2×1101111320323² (a number of 25 digits) contains 22 as substring.

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 1101111320323.

It is not an unprimeable number, because it can be changed into a prime (1101111320303) 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, 6923268 + ... + 7080526.

It is an arithmetic number, because the mean of its divisors is an integer number (79542108000).

Almost surely, 2^{1101111320323} is an apocalyptic number.

1101111320323 is a deficient number, since it is larger than the sum of its proper divisors (171562407677).

1101111320323 is a wasteful number, since it uses less digits than its factorization.

1101111320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168594.

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

Adding to 1101111320323 its reverse (3230231111011), we get a palindrome (4331342431334).

The spelling of 1101111320323 in words is "one trillion, one hundred one billion, one hundred eleven million, three hundred twenty thousand, three hundred twenty-three".