30300101221 has 8 divisors (see below), whose sum is σ = 32634237944. Its totient is φ = 27966444480.

The previous prime is 30300101213. The next prime is 30300101281. The reversal of 30300101221 is 12210100303.

It can be written as a sum of positive squares in 4 ways, for example, as 63760225 + 30236340996 = 7985^2 + 173886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30300101221 - 2³ = 30300101213 is a prime.

It is a super-2 number, since 2×30300101221² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300101281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16915 + ... + 246751.

It is an arithmetic number, because the mean of its divisors is an integer number (4079279743).

Almost surely, 2^30300101221 is an apocalyptic number.

It is an amenable number.

30300101221 is a deficient number, since it is larger than the sum of its proper divisors (2334136723).

30300101221 is a wasteful number, since it uses less digits than its factorization.

30300101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239991.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30300101221 its reverse (12210100303), we get a palindrome (42510201524).

The spelling of 30300101221 in words is "thirty billion, three hundred million, one hundred one thousand, two hundred twenty-one".