30221322013221 has 16 divisors (see below), whose sum is σ = 40391638556160. Its totient is φ = 20099302614720.

The previous prime is 30221322013217. The next prime is 30221322013229. The reversal of 30221322013221 is 12231022312203.

It is not a de Polignac number, because 30221322013221 - 2² = 30221322013217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221322013191 and 30221322013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221322013229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442031 + ... + 7907091.

It is an arithmetic number, because the mean of its divisors is an integer number (2524477409760).

Almost surely, 2^{30221322013221} is an apocalyptic number.

It is an amenable number.

30221322013221 is a deficient number, since it is larger than the sum of its proper divisors (10170316542939).

30221322013221 is a wasteful number, since it uses less digits than its factorization.

30221322013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468796.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30221322013221 its reverse (12231022312203), we get a palindrome (42452344325424).

The spelling of 30221322013221 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-two million, thirteen thousand, two hundred twenty-one".