300040221021 has 8 divisors (see below), whose sum is σ = 400644551904. Its totient is φ = 199731352080.

The previous prime is 300040220917. The next prime is 300040221043. The reversal of 300040221021 is 120122040003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 300040221021 - 2²³ = 300031832413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300040221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73863115 + ... + 73867176.

It is an arithmetic number, because the mean of its divisors is an integer number (50080568988).

Almost surely, 2^300040221021 is an apocalyptic number.

It is an amenable number.

300040221021 is a deficient number, since it is larger than the sum of its proper divisors (100604330883).

300040221021 is a wasteful number, since it uses less digits than its factorization.

300040221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147730971.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 300040221021 its reverse (120122040003), we get a palindrome (420162261024).

The spelling of 300040221021 in words is "three hundred billion, forty million, two hundred twenty-one thousand, twenty-one".