30211233320221 has 8 divisors (see below), whose sum is σ = 30221623805504. Its totient is φ = 30200843675520.

The previous prime is 30211233320207. The next prime is 30211233320227. The reversal of 30211233320221 is 12202333211203.

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 30211233320221 - 2¹⁷ = 30211233189149 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 (30211233320227) 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, 76457266 + ... + 76851388.

It is an arithmetic number, because the mean of its divisors is an integer number (3777702975688).

Almost surely, 2^{30211233320221} is an apocalyptic number.

It is an amenable number.

30211233320221 is a deficient number, since it is larger than the sum of its proper divisors (10390485283).

30211233320221 is a wasteful number, since it uses less digits than its factorization.

30211233320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420291.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30211233320221 its reverse (12202333211203), we get a palindrome (42413566531424).

The spelling of 30211233320221 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred twenty thousand, two hundred twenty-one".