1103111117 has 2 divisors, whose sum is σ = 1103111118. Its totient is φ = 1103111116.

The previous prime is 1103111111. The next prime is 1103111137. The reversal of 1103111117 is 7111113011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925315561 + 177795556 = 30419^2 + 13334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103111117 - 2⁸ = 1103110861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103111095 and 1103111104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103111111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551555558 + 551555559.

It is an arithmetic number, because the mean of its divisors is an integer number (551555559).

Almost surely, 2^1103111117 is an apocalyptic number.

It is an amenable number.

1103111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103111117 is an equidigital number, since it uses as much as digits as its factorization.

1103111117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 17.

The square root of 1103111117 is about 33213.1166408695. The cubic root of 1103111117 is about 1033.2523946201.

Adding to 1103111117 its reverse (7111113011), we get a palindrome (8214224128).

The spelling of 1103111117 in words is "one billion, one hundred three million, one hundred eleven thousand, one hundred seventeen".