100112242043 has 4 divisors (see below), whose sum is σ = 109213354968. Its totient is φ = 91011129120.

The previous prime is 100112242037. The next prime is 100112242067. The reversal of 100112242043 is 340242211001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100112242043 - 2¹⁴ = 100112225659 is a prime.

It is a super-2 number, since 2×100112242043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100112242003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550556446 + ... + 4550556467.

It is an arithmetic number, because the mean of its divisors is an integer number (27303338742).

Almost surely, 2^100112242043 is an apocalyptic number.

100112242043 is a deficient number, since it is larger than the sum of its proper divisors (9101112925).

100112242043 is an equidigital number, since it uses as much as digits as its factorization.

100112242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101112924.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100112242043 its reverse (340242211001), we get a palindrome (440354453044).

The spelling of 100112242043 in words is "one hundred billion, one hundred twelve million, two hundred forty-two thousand, forty-three".