30003331020221 has 8 divisors (see below), whose sum is σ = 32318898407544. Its totient is φ = 27688852039680.

The previous prime is 30003331020203. The next prime is 30003331020233. The reversal of 30003331020221 is 12202013330003.

It can be written as a sum of positive squares in 4 ways, for example, as 7265644776196 + 22737686244025 = 2695486^2 + 4768405^2 .

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

It is not a de Polignac number, because 30003331020221 - 2³⁰ = 30002257278397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30003331020193 and 30003331020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003331020241) 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, 272044436 + ... + 272154701.

It is an arithmetic number, because the mean of its divisors is an integer number (4039862300943).

Almost surely, 2^{30003331020221} is an apocalyptic number.

It is an amenable number.

30003331020221 is a deficient number, since it is larger than the sum of its proper divisors (2315567387323).

30003331020221 is a wasteful number, since it uses less digits than its factorization.

30003331020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544203391.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30003331020221 its reverse (12202013330003), we get a palindrome (42205344350224).

The spelling of 30003331020221 in words is "thirty trillion, three billion, three hundred thirty-one million, twenty thousand, two hundred twenty-one".