300213102030021 has 48 divisors (see below), whose sum is σ = 446826516963840. Its totient is φ = 194092201589760.

The previous prime is 300213102030019. The next prime is 300213102030113. The reversal of 300213102030021 is 120030201312003.

300213102030021 is a `hidden beast` number, since 30 + 0 + 2 + 1 + 310 + 2 + 0 + 300 + 21 = 666.

It is not a de Polignac number, because 300213102030021 - 2¹ = 300213102030019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300213102029976 and 300213102030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300213102030011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1487995876 + ... + 1488197618.

It is an arithmetic number, because the mean of its divisors is an integer number (9308885770080).

Almost surely, 2^{300213102030021} is an apocalyptic number.

It is an amenable number.

300213102030021 is a deficient number, since it is larger than the sum of its proper divisors (146613414933819).

300213102030021 is a wasteful number, since it uses less digits than its factorization.

300213102030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216466 (or 216463 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 300213102030021 its reverse (120030201312003), we get a palindrome (420243303342024).

The spelling of 300213102030021 in words is "three hundred trillion, two hundred thirteen billion, one hundred two million, thirty thousand, twenty-one".