30221113211 has 4 divisors (see below), whose sum is σ = 30221535000. Its totient is φ = 30220691424.

The previous prime is 30221113207. The next prime is 30221113217. The reversal of 30221113211 is 11231112203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30221113211 - 2² = 30221113207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30221113211.

It is not an unprimeable number, because it can be changed into a prime (30221113217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73646 + ... + 256643.

It is an arithmetic number, because the mean of its divisors is an integer number (7555383750).

Almost surely, 2^30221113211 is an apocalyptic number.

30221113211 is a deficient number, since it is larger than the sum of its proper divisors (421789).

30221113211 is an equidigital number, since it uses as much as digits as its factorization.

30221113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421788.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30221113211 its reverse (11231112203), we get a palindrome (41452225414).

The spelling of 30221113211 in words is "thirty billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred eleven".