100021301113 has 4 divisors (see below), whose sum is σ = 100023121828. Its totient is φ = 100019480400.

The previous prime is 100021301071. The next prime is 100021301131. The reversal of 100021301113 is 311103120001.

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 39558425449 + 60462875664 = 198893^2 + 245892^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021301113 - 2²⁵ = 99987746681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021301093 and 100021301102.

It is not an unprimeable number, because it can be changed into a prime (100021301143) 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, 825306 + ... + 938707.

It is an arithmetic number, because the mean of its divisors is an integer number (25005780457).

Almost surely, 2^100021301113 is an apocalyptic number.

It is an amenable number.

100021301113 is a deficient number, since it is larger than the sum of its proper divisors (1820715).

100021301113 is an equidigital number, since it uses as much as digits as its factorization.

100021301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820714.

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

Adding to 100021301113 its reverse (311103120001), we get a palindrome (411124421114).

The spelling of 100021301113 in words is "one hundred billion, twenty-one million, three hundred one thousand, one hundred thirteen".