255030341102221 has 8 divisors (see below), whose sum is σ = 255551706406584. Its totient is φ = 254509298131200.

The previous prime is 255030341102213. The next prime is 255030341102269. The reversal of 255030341102221 is 122201143030552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4729907277225 + 250300433824996 = 2174835^2 + 15820886^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 255030341102221 - 2³ = 255030341102213 is a prime.

It is a super-2 number, since 2×255030341102221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255030341102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78999286 + ... + 82164151.

It is an arithmetic number, because the mean of its divisors is an integer number (31943963300823).

Almost surely, 2^{255030341102221} is an apocalyptic number.

It is an amenable number.

255030341102221 is a deficient number, since it is larger than the sum of its proper divisors (521365304363).

255030341102221 is a wasteful number, since it uses less digits than its factorization.

255030341102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161166671.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 255030341102221 its reverse (122201143030552), we get a palindrome (377231484132773).

The spelling of 255030341102221 in words is "two hundred fifty-five trillion, thirty billion, three hundred forty-one million, one hundred two thousand, two hundred twenty-one".