302100112201221 has 12 divisors (see below), whose sum is σ = 436434242202348. Its totient is φ = 201368960892864.

The previous prime is 302100112201219. The next prime is 302100112201229. The reversal of 302100112201221 is 122102211001203.

302100112201221 is a `hidden beast` number, since 3 + 0 + 210 + 0 + 11 + 220 + 1 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212765573828196 + 89334538373025 = 14586486^2 + 9451695^2 .

It is not a de Polignac number, because 302100112201221 - 2¹ = 302100112201219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302100112201194 and 302100112201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302100112201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2592764170 + ... + 2592880683.

It is an arithmetic number, because the mean of its divisors is an integer number (36369520183529).

Almost surely, 2^{302100112201221} is an apocalyptic number.

It is an amenable number.

302100112201221 is a deficient number, since it is larger than the sum of its proper divisors (134334130001127).

302100112201221 is a wasteful number, since it uses less digits than its factorization.

302100112201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185651332 (or 5185651329 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 302100112201221 its reverse (122102211001203), we get a palindrome (424202323202424).

The spelling of 302100112201221 in words is "three hundred two trillion, one hundred billion, one hundred twelve million, two hundred one thousand, two hundred twenty-one".