221320340425341 has 16 divisors (see below), whose sum is σ = 333439307611200. Its totient is φ = 145046098808784.

The previous prime is 221320340425271. The next prime is 221320340425343. The reversal of 221320340425341 is 143524043023122.

221320340425341 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 20 + 340 + 4 + 253 + 41 = 666.

It is not a de Polignac number, because 221320340425341 - 2⁹ = 221320340424829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221320340425296 and 221320340425305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221320340425343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69466520826 + ... + 69466524011.

It is an arithmetic number, because the mean of its divisors is an integer number (20839956725700).

Almost surely, 2^{221320340425341} is an apocalyptic number.

It is an amenable number.

221320340425341 is a deficient number, since it is larger than the sum of its proper divisors (112118967185859).

221320340425341 is a wasteful number, since it uses less digits than its factorization.

221320340425341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138933044905 (or 138933044899 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 221320340425341 its reverse (143524043023122), we get a palindrome (364844383448463).

The spelling of 221320340425341 in words is "two hundred twenty-one trillion, three hundred twenty billion, three hundred forty million, four hundred twenty-five thousand, three hundred forty-one".