221300320341 has 48 divisors (see below), whose sum is σ = 315887869440. Its totient is φ = 137660113920.

The previous prime is 221300320321. The next prime is 221300320427. The reversal of 221300320341 is 143023003122.

It is not a de Polignac number, because 221300320341 - 2¹⁴ = 221300303957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300320321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74535505 + ... + 74538473.

It is an arithmetic number, because the mean of its divisors is an integer number (6580997280).

Almost surely, 2^221300320341 is an apocalyptic number.

It is an amenable number.

221300320341 is a deficient number, since it is larger than the sum of its proper divisors (94587549099).

221300320341 is a wasteful number, since it uses less digits than its factorization.

221300320341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221300320341 its reverse (143023003122), we get a palindrome (364323323463).

The spelling of 221300320341 in words is "two hundred twenty-one billion, three hundred million, three hundred twenty thousand, three hundred forty-one".