30221332120213 has 8 divisors (see below), whose sum is σ = 33668327561400. Its totient is φ = 26934662048448.

The previous prime is 30221332120211. The next prime is 30221332120267. The reversal of 30221332120213 is 31202123312203.

It can be written as a sum of positive squares in 4 ways, for example, as 6170370264529 + 24050961855684 = 2484023^2 + 4904178^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30221332120213 - 2¹ = 30221332120211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221332120211) 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, 40081341958 + ... + 40081342711.

It is an arithmetic number, because the mean of its divisors is an integer number (4208540945175).

Almost surely, 2^{30221332120213} is an apocalyptic number.

It is an amenable number.

30221332120213 is a deficient number, since it is larger than the sum of its proper divisors (3446995441187).

30221332120213 is a wasteful number, since it uses less digits than its factorization.

30221332120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80162684711.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30221332120213 its reverse (31202123312203), we get a palindrome (61423455432416).

The spelling of 30221332120213 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred twenty thousand, two hundred thirteen".