1101111317 has 2 divisors, whose sum is σ = 1101111318. Its totient is φ = 1101111316.

The previous prime is 1101111281. The next prime is 1101111329. The reversal of 1101111317 is 7131111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036453636 + 64657681 = 32194^2 + 8041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101111317 - 2¹⁰ = 1101110293 is a prime.

It is a super-2 number, since 2×1101111317² = 2424892264850948978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101111295 and 1101111304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101111217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550555658 + 550555659.

It is an arithmetic number, because the mean of its divisors is an integer number (550555659).

Almost surely, 2^1101111317 is an apocalyptic number.

It is an amenable number.

1101111317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101111317 is an equidigital number, since it uses as much as digits as its factorization.

1101111317 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 1101111317 is about 33182.9974083114. The cubic root of 1101111317 is about 1032.6276319190.

Adding to 1101111317 its reverse (7131111011), we get a palindrome (8232222328).

The spelling of 1101111317 in words is "one billion, one hundred one million, one hundred eleven thousand, three hundred seventeen".