100081102243 has 4 divisors (see below), whose sum is σ = 103309524928. Its totient is φ = 96852679560.

The previous prime is 100081102229. The next prime is 100081102273. The reversal of 100081102243 is 342201180001.

It is a happy number.

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 100081102243 - 2⁵ = 100081102211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100081102273) 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, 1614211296 + ... + 1614211357.

It is an arithmetic number, because the mean of its divisors is an integer number (25827381232).

Almost surely, 2^100081102243 is an apocalyptic number.

100081102243 is a deficient number, since it is larger than the sum of its proper divisors (3228422685).

100081102243 is an equidigital number, since it uses as much as digits as its factorization.

100081102243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228422684.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 100081102243 its reverse (342201180001), we get a palindrome (442282282244).

The spelling of 100081102243 in words is "one hundred billion, eighty-one million, one hundred two thousand, two hundred forty-three".