30032112221 has 2 divisors, whose sum is σ = 30032112222. Its totient is φ = 30032112220.

The previous prime is 30032112163. The next prime is 30032112269. The reversal of 30032112221 is 12221123003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22569052900 + 7463059321 = 150230^2 + 86389^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032112221 - 2⁶ = 30032112157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30032112221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30032114221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016056110 + 15016056111.

It is an arithmetic number, because the mean of its divisors is an integer number (15016056111).

Almost surely, 2^30032112221 is an apocalyptic number.

It is an amenable number.

30032112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032112221 is an equidigital number, since it uses as much as digits as its factorization.

30032112221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30032112221 its reverse (12221123003), we get a palindrome (42253235224).

The spelling of 30032112221 in words is "thirty billion, thirty-two million, one hundred twelve thousand, two hundred twenty-one".