111001001117 has 2 divisors, whose sum is σ = 111001001118. Its totient is φ = 111001001116.

The previous prime is 111001001081. The next prime is 111001001119. The reversal of 111001001117 is 711100100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86825104921 + 24175896196 = 294661^2 + 155486^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001001117 - 2³⁴ = 93821131933 is a prime.

Together with 111001001119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111001001119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500500558 + 55500500559.

It is an arithmetic number, because the mean of its divisors is an integer number (55500500559).

Almost surely, 2^111001001117 is an apocalyptic number.

It is an amenable number.

111001001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001001117 is an equidigital number, since it uses as much as digits as its factorization.

111001001117 is an evil number, because the sum of its binary digits is even.

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

Adding to 111001001117 its reverse (711100100111), we get a palindrome (822101101228).

It can be divided in two parts, 11100100111 and 7, that multiplied together give a palindrome (77700700777).

The spelling of 111001001117 in words is "one hundred eleven billion, one million, one thousand, one hundred seventeen".