100030300021 has 4 divisors (see below), whose sum is σ = 102356586112. Its totient is φ = 97704013932.

The previous prime is 100030300009. The next prime is 100030300037. The reversal of 100030300021 is 120003030001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100030300021 - 2¹¹ = 100030297973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100030299980 and 100030300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030300061) 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, 1163142981 + ... + 1163143066.

It is an arithmetic number, because the mean of its divisors is an integer number (25589146528).

Almost surely, 2^100030300021 is an apocalyptic number.

It is an amenable number.

100030300021 is a deficient number, since it is larger than the sum of its proper divisors (2326286091).

100030300021 is an equidigital number, since it uses as much as digits as its factorization.

100030300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326286090.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 100030300021 its reverse (120003030001), we get a palindrome (220033330022).

The spelling of 100030300021 in words is "one hundred billion, thirty million, three hundred thousand, twenty-one".