100121320313 has 8 divisors (see below), whose sum is σ = 114503128128. Its totient is φ = 85759203024.

The previous prime is 100121320267. The next prime is 100121320319. The reversal of 100121320313 is 313023121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121320313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100121320291 and 100121320300.

It is not an unprimeable number, because it can be changed into a prime (100121320319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4911731 + ... + 4932072.

It is an arithmetic number, because the mean of its divisors is an integer number (14312891016).

Almost surely, 2^100121320313 is an apocalyptic number.

It is an amenable number.

100121320313 is a deficient number, since it is larger than the sum of its proper divisors (14381807815).

100121320313 is an equidigital number, since it uses as much as digits as its factorization.

100121320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845263.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100121320313 its reverse (313023121001), we get a palindrome (413144441314).

The spelling of 100121320313 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty thousand, three hundred thirteen".