1103110320011 has 4 divisors (see below), whose sum is σ = 1260697508592. Its totient is φ = 945523131432.

The previous prime is 1103110319977. The next prime is 1103110320017. The reversal of 1103110320011 is 1100230113011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103110320011 is a prime.

It is a super-2 number, since 2×1103110320011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103110320017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78793594280 + ... + 78793594293.

It is an arithmetic number, because the mean of its divisors is an integer number (315174377148).

Almost surely, 2^{1103110320011} is an apocalyptic number.

1103110320011 is a deficient number, since it is larger than the sum of its proper divisors (157587188581).

1103110320011 is an equidigital number, since it uses as much as digits as its factorization.

1103110320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157587188580.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1103110320011 its reverse (1100230113011), we get a palindrome (2203340433022).

The spelling of 1103110320011 in words is "one trillion, one hundred three billion, one hundred ten million, three hundred twenty thousand, eleven".