30221220321330 has 32 divisors (see below), whose sum is σ = 72531189249984. Its totient is φ = 8058963143616.

The previous prime is 30221220321329. The next prime is 30221220321343. The reversal of 30221220321330 is 3312302212203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221220321330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7463029 + ... + 10776791.

It is an arithmetic number, because the mean of its divisors is an integer number (2266599664062).

Almost surely, 2^{30221220321330} is an apocalyptic number.

30221220321330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30221220321330 is an abundant number, since it is smaller than the sum of its proper divisors (42309968928654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221220321330 is a wasteful number, since it uses less digits than its factorization.

30221220321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617770.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30221220321330 its reverse (3312302212203), we get a palindrome (33533522533533).

The spelling of 30221220321330 in words is "thirty trillion, two hundred twenty-one billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty".