221353314241 has 8 divisors (see below), whose sum is σ = 223463245824. Its totient is φ = 219244146000.

The previous prime is 221353314233. The next prime is 221353314271. The reversal of 221353314241 is 142413353122.

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 221353314241 - 2³ = 221353314233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221353314271) 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, 400576 + ... + 776638.

It is an arithmetic number, because the mean of its divisors is an integer number (27932905728).

Almost surely, 2^221353314241 is an apocalyptic number.

It is an amenable number.

221353314241 is a deficient number, since it is larger than the sum of its proper divisors (2109931583).

221353314241 is a wasteful number, since it uses less digits than its factorization.

221353314241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381671.

The product of its digits is 17280, while the sum is 31.

Adding to 221353314241 its reverse (142413353122), we get a palindrome (363766667363).

The spelling of 221353314241 in words is "two hundred twenty-one billion, three hundred fifty-three million, three hundred fourteen thousand, two hundred forty-one".