30221103230221 has 8 divisors (see below), whose sum is σ = 30261878322840. Its totient is φ = 30180352507968.

The previous prime is 30221103230209. The next prime is 30221103230233. The reversal of 30221103230221 is 12203230112203.

It is an interprime number because it is at equal distance from previous prime (30221103230209) and next prime (30221103230233).

It can be written as a sum of positive squares in 4 ways, for example, as 6456833460900 + 23764269769321 = 2541030^2 + 4874861^2 .

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 30221103230221 - 2²⁵ = 30221069675789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221103230192 and 30221103230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221103230251) 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, 3610086 + ... + 8571751.

It is an arithmetic number, because the mean of its divisors is an integer number (3782734790355).

Almost surely, 2^{30221103230221} is an apocalyptic number.

It is an amenable number.

30221103230221 is a deficient number, since it is larger than the sum of its proper divisors (40775092619).

30221103230221 is a wasteful number, since it uses less digits than its factorization.

30221103230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185183.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30221103230221 its reverse (12203230112203), we get a palindrome (42424333342424).

The spelling of 30221103230221 in words is "thirty trillion, two hundred twenty-one billion, one hundred three million, two hundred thirty thousand, two hundred twenty-one".