100112143 has 4 divisors (see below), whose sum is σ = 100329768. Its totient is φ = 99894520.

The previous prime is 100112141. The next prime is 100112153. The reversal of 100112143 is 341211001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341211001 = 8431 ⋅40471.

It is a cyclic number.

It is not a de Polignac number, because 100112143 - 2¹ = 100112141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108121 + ... + 109042.

It is an arithmetic number, because the mean of its divisors is an integer number (25082442).

Almost surely, 2^100112143 is an apocalyptic number.

100112143 is a deficient number, since it is larger than the sum of its proper divisors (217625).

100112143 is an equidigital number, since it uses as much as digits as its factorization.

100112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217624.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 100112143 is about 10005.6055788743. The cubic root of 100112143 is about 464.3323257751.

Adding to 100112143 its reverse (341211001), we get a palindrome (441323144).

The spelling of 100112143 in words is "one hundred million, one hundred twelve thousand, one hundred forty-three".