100113221231297 has 4 divisors (see below), whose sum is σ = 102818983967316. Its totient is φ = 97407458495280.

The previous prime is 100113221231293. The next prime is 100113221231299. The reversal of 100113221231297 is 792132122311001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67134032183296 + 32979189048001 = 8193536^2 + 5742751^2 .

It is a cyclic number.

It is not a de Polignac number, because 100113221231297 - 2² = 100113221231293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100113221231293) 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, 1352881367954 + ... + 1352881368027.

It is an arithmetic number, because the mean of its divisors is an integer number (25704745991829).

Almost surely, 2^{100113221231297} is an apocalyptic number.

It is an amenable number.

100113221231297 is a deficient number, since it is larger than the sum of its proper divisors (2705762736019).

100113221231297 is an equidigital number, since it uses as much as digits as its factorization.

100113221231297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705762736018.

The product of its (nonzero) digits is 9072, while the sum is 35.

Adding to 100113221231297 its reverse (792132122311001), we get a palindrome (892245343542298).

The spelling of 100113221231297 in words is "one hundred trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred ninety-seven".