221310130332112 has 20 divisors (see below), whose sum is σ = 428792082762436. Its totient is φ = 110654108974080.

The previous prime is 221310130332017. The next prime is 221310130332163. The reversal of 221310130332112 is 211233031013122.

It can be written as a sum of positive squares in 2 ways, for example, as 80662959337536 + 140647170994576 = 8981256^2 + 11859476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57850689 + ... + 61557472.

Almost surely, 2^{221310130332112} is an apocalyptic number.

It is an amenable number.

221310130332112 is a deficient number, since it is larger than the sum of its proper divisors (207481952430324).

221310130332112 is a wasteful number, since it uses less digits than its factorization.

221310130332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119524006 (or 119524000 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221310130332112 its reverse (211233031013122), we get a palindrome (432543161345234).

The spelling of 221310130332112 in words is "two hundred twenty-one trillion, three hundred ten billion, one hundred thirty million, three hundred thirty-two thousand, one hundred twelve".