30220100221 has 4 divisors (see below), whose sum is σ = 30228973632. Its totient is φ = 30211226812.

The previous prime is 30220100203. The next prime is 30220100231. The reversal of 30220100221 is 12200102203.

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 a cyclic number.

It is not a de Polignac number, because 30220100221 - 2⁵ = 30220100189 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 (30220100231) 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, 4431595 + ... + 4438408.

It is an arithmetic number, because the mean of its divisors is an integer number (7557243408).

Almost surely, 2^30220100221 is an apocalyptic number.

It is an amenable number.

30220100221 is a deficient number, since it is larger than the sum of its proper divisors (8873411).

30220100221 is an equidigital number, since it uses as much as digits as its factorization.

30220100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873410.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30220100221 its reverse (12200102203), we get a palindrome (42420202424).

The spelling of 30220100221 in words is "thirty billion, two hundred twenty million, one hundred thousand, two hundred twenty-one".