105442111 has 2 divisors, whose sum is σ = 105442112. Its totient is φ = 105442110.

The previous prime is 105442087. The next prime is 105442151. The reversal of 105442111 is 111244501.

It is a weak prime.

It is an emirp because it is prime and its reverse (111244501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105442111 - 2⁷ = 105441983 is a prime.

It is a super-2 number, since 2×105442111² = 22236077544272642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105442151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52721055 + 52721056.

It is an arithmetic number, because the mean of its divisors is an integer number (52721056).

Almost surely, 2^105442111 is an apocalyptic number.

105442111 is a deficient number, since it is larger than the sum of its proper divisors (1).

105442111 is an equidigital number, since it uses as much as digits as its factorization.

105442111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 105442111 is about 10268.5009129863. The cubic root of 105442111 is about 472.4306119470.

Adding to 105442111 its reverse (111244501), we get a palindrome (216686612).

The spelling of 105442111 in words is "one hundred five million, four hundred forty-two thousand, one hundred eleven".