30222001321221 has 4 divisors (see below), whose sum is σ = 40296001761632. Its totient is φ = 20148000880812.

The previous prime is 30222001321201. The next prime is 30222001321273. The reversal of 30222001321221 is 12212310022203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30222001321221 - 2⁶ = 30222001321157 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 (30222001321201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037000220201 + ... + 5037000220206.

It is an arithmetic number, because the mean of its divisors is an integer number (10074000440408).

Almost surely, 2^{30222001321221} is an apocalyptic number.

It is an amenable number.

30222001321221 is a deficient number, since it is larger than the sum of its proper divisors (10074000440411).

30222001321221 is a wasteful number, since it uses less digits than its factorization.

30222001321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074000440410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30222001321221 its reverse (12212310022203), we get a palindrome (42434311343424).

The spelling of 30222001321221 in words is "thirty trillion, two hundred twenty-two billion, one million, three hundred twenty-one thousand, two hundred twenty-one".