221312033341 has 20 divisors (see below), whose sum is σ = 258295850784. Its totient is φ = 189612389400.

The previous prime is 221312033333. The next prime is 221312033377. The reversal of 221312033341 is 143330213122.

It is not a de Polignac number, because 221312033341 - 2³ = 221312033333 is a prime.

It is a super-2 number, since 2×221312033341² (a number of 23 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 (221312033321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5769696 + ... + 5807926.

Almost surely, 2^221312033341 is an apocalyptic number.

It is an amenable number.

221312033341 is a deficient number, since it is larger than the sum of its proper divisors (36983817443).

221312033341 is an frugal number, since it uses more digits than its factorization.

221312033341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40670 (or 40649 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221312033341 its reverse (143330213122), we get a palindrome (364642246463).

The spelling of 221312033341 in words is "two hundred twenty-one billion, three hundred twelve million, thirty-three thousand, three hundred forty-one".