100130121321 has 16 divisors (see below), whose sum is σ = 136779393408. Its totient is φ = 65117520000.

The previous prime is 100130121317. The next prime is 100130121323. The reversal of 100130121321 is 123121031001.

It is a happy number.

It is not a de Polignac number, because 100130121321 - 2² = 100130121317 is a prime.

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 100130121321.

It is not an unprimeable number, because it can be changed into a prime (100130121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097196 + ... + 1184946.

It is an arithmetic number, because the mean of its divisors is an integer number (8548712088).

Almost surely, 2^100130121321 is an apocalyptic number.

It is an amenable number.

100130121321 is a deficient number, since it is larger than the sum of its proper divisors (36649272087).

100130121321 is an equidigital number, since it uses as much as digits as its factorization.

100130121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97072.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100130121321 its reverse (123121031001), we get a palindrome (223251152322).

The spelling of 100130121321 in words is "one hundred billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twenty-one".