30202221231221 has 8 divisors (see below), whose sum is σ = 32526209067744. Its totient is φ = 27878339116080.

The previous prime is 30202221231199. The next prime is 30202221231251. The reversal of 30202221231221 is 12213212220203.

It is a happy number.

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 30202221231221 - 2⁶ = 30202221231157 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 (30202221231251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25836515 + ... + 26980176.

It is an arithmetic number, because the mean of its divisors is an integer number (4065776133468).

Almost surely, 2^{30202221231221} is an apocalyptic number.

It is an amenable number.

30202221231221 is a deficient number, since it is larger than the sum of its proper divisors (2323987836523).

30202221231221 is a wasteful number, since it uses less digits than its factorization.

30202221231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860691.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30202221231221 its reverse (12213212220203), we get a palindrome (42415433451424).

The spelling of 30202221231221 in words is "thirty trillion, two hundred two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-one".