30221320011020 has 12 divisors (see below), whose sum is σ = 63464772023184. Its totient is φ = 12088528004400.

The previous prime is 30221320010953. The next prime is 30221320011053. The reversal of 30221320011020 is 2011002312203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221320011020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755533000256 + ... + 755533000295.

It is an arithmetic number, because the mean of its divisors is an integer number (5288731001932).

Almost surely, 2^{30221320011020} is an apocalyptic number.

It is an amenable number.

30221320011020 is an abundant number, since it is smaller than the sum of its proper divisors (33243452012164).

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

30221320011020 is a wasteful number, since it uses less digits than its factorization.

30221320011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511066000560 (or 1511066000558 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30221320011020 its reverse (2011002312203), we get a palindrome (32232322323223).

The spelling of 30221320011020 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty million, eleven thousand, twenty".