221434001341 has 16 divisors (see below), whose sum is σ = 259471029888. Its totient is φ = 185006131200.

The previous prime is 221434001339. The next prime is 221434001359. The reversal of 221434001341 is 143100434122.

It is a cyclic number.

It is not a de Polignac number, because 221434001341 - 2¹ = 221434001339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221434001941) 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, 21220 + ... + 665821.

It is an arithmetic number, because the mean of its divisors is an integer number (16216939368).

Almost surely, 2^221434001341 is an apocalyptic number.

It is an amenable number.

221434001341 is a deficient number, since it is larger than the sum of its proper divisors (38037028547).

221434001341 is a wasteful number, since it uses less digits than its factorization.

221434001341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688212.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221434001341 its reverse (143100434122), we get a palindrome (364534435463).

The spelling of 221434001341 in words is "two hundred twenty-one billion, four hundred thirty-four million, one thousand, three hundred forty-one".