111411101 has 2 divisors, whose sum is σ = 111411102. Its totient is φ = 111411100.

The previous prime is 111411077. The next prime is 111411109. The reversal of 111411101 is 101114111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 3147076 = 10405^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 111411101 - 2⁶ = 111411037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111411109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55705550 + 55705551.

It is an arithmetic number, because the mean of its divisors is an integer number (55705551).

Almost surely, 2^111411101 is an apocalyptic number.

It is an amenable number.

111411101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111411101 is an equidigital number, since it uses as much as digits as its factorization.

111411101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 111411101 is about 10555.1457119265. The cubic root of 111411101 is about 481.1821282594.

Adding to 111411101 its reverse (101114111), we get a palindrome (212525212).

The spelling of 111411101 in words is "one hundred eleven million, four hundred eleven thousand, one hundred one".