30300211221 has 32 divisors (see below), whose sum is σ = 48668083200. Its totient is φ = 16380766080.

The previous prime is 30300211219. The next prime is 30300211229. The reversal of 30300211221 is 12211200303.

It is not a de Polignac number, because 30300211221 - 2¹ = 30300211219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30300211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300211229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243481 + ... + 346241.

It is an arithmetic number, because the mean of its divisors is an integer number (1520877600).

Almost surely, 2^30300211221 is an apocalyptic number.

It is an amenable number.

30300211221 is a deficient number, since it is larger than the sum of its proper divisors (18367871979).

30300211221 is a wasteful number, since it uses less digits than its factorization.

30300211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103529.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30300211221 its reverse (12211200303), we get a palindrome (42511411524).

The spelling of 30300211221 in words is "thirty billion, three hundred million, two hundred eleven thousand, two hundred twenty-one".