1101111017 has 4 divisors (see below), whose sum is σ = 1101183876. Its totient is φ = 1101038160.

The previous prime is 1101111013. The next prime is 1101111023. The reversal of 1101111017 is 7101111011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7101111011 = 23 ⋅308743957.

It can be written as a sum of positive squares in 2 ways, for example, as 853866841 + 247244176 = 29221^2 + 15724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101111017 - 2² = 1101111013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101110992 and 1101111010.

It is not an unprimeable number, because it can be changed into a prime (1101111013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334 + ... + 47127.

It is an arithmetic number, because the mean of its divisors is an integer number (275295969).

Almost surely, 2^1101111017 is an apocalyptic number.

It is an amenable number.

1101111017 is a deficient number, since it is larger than the sum of its proper divisors (72859).

1101111017 is an equidigital number, since it uses as much as digits as its factorization.

1101111017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72858.

The product of its (nonzero) digits is 7, while the sum is 14.

The square root of 1101111017 is about 33182.9928879238. The cubic root of 1101111017 is about 1032.6275381385.

Adding to 1101111017 its reverse (7101111011), we get a palindrome (8202222028).

The spelling of 1101111017 in words is "one billion, one hundred one million, one hundred eleven thousand, seventeen".