105242240111 has 12 divisors (see below), whose sum is σ = 111085847424. Its totient is φ = 99691495200.

The previous prime is 105242240107. The next prime is 105242240123. The reversal of 105242240111 is 111042242501.

It is not a de Polignac number, because 105242240111 - 2² = 105242240107 is a prime.

It is a super-2 number, since 2×105242240111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105242240141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6067331 + ... + 6084651.

It is an arithmetic number, because the mean of its divisors is an integer number (9257153952).

Almost surely, 2^105242240111 is an apocalyptic number.

105242240111 is a deficient number, since it is larger than the sum of its proper divisors (5843607313).

105242240111 is a wasteful number, since it uses less digits than its factorization.

105242240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34190 (or 34171 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 105242240111 its reverse (111042242501), we get a palindrome (216284482612).

The spelling of 105242240111 in words is "one hundred five billion, two hundred forty-two million, two hundred forty thousand, one hundred eleven".