221343114401 has 4 divisors (see below), whose sum is σ = 221347398804. Its totient is φ = 221338830000.

The previous prime is 221343114337. The next prime is 221343114431. The reversal of 221343114401 is 104411343122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108651981376 + 112691133025 = 329624^2 + 335695^2 .

It is a cyclic number.

It is not a de Polignac number, because 221343114401 - 2⁶ = 221343114337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221343114431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063750 + ... + 2168351.

It is an arithmetic number, because the mean of its divisors is an integer number (55336849701).

Almost surely, 2^221343114401 is an apocalyptic number.

It is an amenable number.

221343114401 is a deficient number, since it is larger than the sum of its proper divisors (4284403).

221343114401 is an equidigital number, since it uses as much as digits as its factorization.

221343114401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284402.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 221343114401 its reverse (104411343122), we get a palindrome (325754457523).

The spelling of 221343114401 in words is "two hundred twenty-one billion, three hundred forty-three million, one hundred fourteen thousand, four hundred one".