100134300221 has 4 divisors (see below), whose sum is σ = 104487965472. Its totient is φ = 95780634972.

The previous prime is 100134300199. The next prime is 100134300271. The reversal of 100134300221 is 122003431001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122003431001 = 1399 ⋅87207599.

It is a cyclic number.

It is not a de Polignac number, because 100134300221 - 2¹⁰ = 100134299197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100134300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100134300271) 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, 2176832591 + ... + 2176832636.

It is an arithmetic number, because the mean of its divisors is an integer number (26121991368).

Almost surely, 2^100134300221 is an apocalyptic number.

It is an amenable number.

100134300221 is a deficient number, since it is larger than the sum of its proper divisors (4353665251).

100134300221 is an equidigital number, since it uses as much as digits as its factorization.

100134300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353665250.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100134300221 its reverse (122003431001), we get a palindrome (222137731222).

The spelling of 100134300221 in words is "one hundred billion, one hundred thirty-four million, three hundred thousand, two hundred twenty-one".