30010230221 has 2 divisors, whose sum is σ = 30010230222. Its totient is φ = 30010230220.

The previous prime is 30010230193. The next prime is 30010230281. The reversal of 30010230221 is 12203201003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21100758121 + 8909472100 = 145261^2 + 94390^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010230221 - 2¹⁴ = 30010213837 is a prime.

It is a super-2 number, since 2×30010230221² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30010230196 and 30010230205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30010230281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005115110 + 15005115111.

It is an arithmetic number, because the mean of its divisors is an integer number (15005115111).

Almost surely, 2^30010230221 is an apocalyptic number.

It is an amenable number.

30010230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30010230221 is an equidigital number, since it uses as much as digits as its factorization.

30010230221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30010230221 its reverse (12203201003), we get a palindrome (42213431224).

The spelling of 30010230221 in words is "thirty billion, ten million, two hundred thirty thousand, two hundred twenty-one".