30110221 has 8 divisors (see below), whose sum is σ = 31060224. Its totient is φ = 29173200.

The previous prime is 30110209. The next prime is 30110233. The reversal of 30110221 is 12201103.

It is an interprime number because it is at equal distance from previous prime (30110209) and next prime (30110233).

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 30110221 - 2⁵ = 30110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30110198 and 30110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30110251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576 + ... + 7918.

It is an arithmetic number, because the mean of its divisors is an integer number (3882528).

Almost surely, 2^30110221 is an apocalyptic number.

It is an amenable number.

30110221 is a deficient number, since it is larger than the sum of its proper divisors (950003).

30110221 is a wasteful number, since it uses less digits than its factorization.

30110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30110221 is about 5487.2781048531. The cubic root of 30110221 is about 311.1033213705.

Adding to 30110221 its reverse (12201103), we get a palindrome (42311324).

The spelling of 30110221 in words is "thirty million, one hundred ten thousand, two hundred twenty-one".