100300320021 has 32 divisors (see below), whose sum is σ = 146221885440. Its totient is φ = 60650553600.

The previous prime is 100300320019. The next prime is 100300320023. The reversal of 100300320021 is 120023003001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100300320019) and next prime (100300320023).

It is not a de Polignac number, because 100300320021 - 2¹ = 100300320019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100300319979 and 100300320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300320023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36725226 + ... + 36727956.

It is an arithmetic number, because the mean of its divisors is an integer number (4569433920).

Almost surely, 2^100300320021 is an apocalyptic number.

100300320021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100300320021 is a deficient number, since it is larger than the sum of its proper divisors (45921565419).

100300320021 is a wasteful number, since it uses less digits than its factorization.

100300320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100300320021 its reverse (120023003001), we get a palindrome (220323323022).

The spelling of 100300320021 in words is "one hundred billion, three hundred million, three hundred twenty thousand, twenty-one".