30202220001221 has 8 divisors (see below), whose sum is σ = 30714209433600. Its totient is φ = 29690233482240.

The previous prime is 30202220001209. The next prime is 30202220001253. The reversal of 30202220001221 is 12210002220203.

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 30202220001221 - 2²⁶ = 30202152892357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30202220001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202220001271) 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, 34503356 + ... + 35367866.

It is an arithmetic number, because the mean of its divisors is an integer number (3839276179200).

Almost surely, 2^{30202220001221} is an apocalyptic number.

It is an amenable number.

30202220001221 is a deficient number, since it is larger than the sum of its proper divisors (511989432379).

30202220001221 is an equidigital number, since it uses as much as digits as its factorization.

30202220001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456699.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30202220001221 its reverse (12210002220203), we get a palindrome (42412222221424).

The spelling of 30202220001221 in words is "thirty trillion, two hundred two billion, two hundred twenty million, one thousand, two hundred twenty-one".