100300113121 has 4 divisors (see below), whose sum is σ = 108015506452. Its totient is φ = 92584719792.

The previous prime is 100300113113. The next prime is 100300113149. The reversal of 100300113121 is 121311003001.

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 52595000896 + 47705112225 = 229336^2 + 218415^2 .

It is a cyclic number.

It is not a de Polignac number, because 100300113121 - 2³ = 100300113113 is a prime.

It is a super-2 number, since 2×100300113121² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7715393317 = 100300113121 / (1 + 0 + 0 + 3 + 0 + 0 + 1 + 1 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100300113191) 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, 3857696646 + ... + 3857696671.

It is an arithmetic number, because the mean of its divisors is an integer number (27003876613).

Almost surely, 2^100300113121 is an apocalyptic number.

It is an amenable number.

100300113121 is a deficient number, since it is larger than the sum of its proper divisors (7715393331).

100300113121 is an equidigital number, since it uses as much as digits as its factorization.

100300113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715393330.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100300113121 its reverse (121311003001), we get a palindrome (221611116122).

The spelling of 100300113121 in words is "one hundred billion, three hundred million, one hundred thirteen thousand, one hundred twenty-one".