300133212221 has 4 divisors (see below), whose sum is σ = 300139786944. Its totient is φ = 300126637500.

The previous prime is 300133212193. The next prime is 300133212233. The reversal of 300133212221 is 122212331003.

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 300133212221 - 2¹⁴ = 300133195837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300133212193 and 300133212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300133212271) 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, 3218405 + ... + 3310346.

It is an arithmetic number, because the mean of its divisors is an integer number (75034946736).

Almost surely, 2^300133212221 is an apocalyptic number.

It is an amenable number.

300133212221 is a deficient number, since it is larger than the sum of its proper divisors (6574723).

300133212221 is an equidigital number, since it uses as much as digits as its factorization.

300133212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574722.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 300133212221 its reverse (122212331003), we get a palindrome (422345543224).

The spelling of 300133212221 in words is "three hundred billion, one hundred thirty-three million, two hundred twelve thousand, two hundred twenty-one".