221413341444410 has 16 divisors (see below), whose sum is σ = 399194167979016. Its totient is φ = 88420858049088.

The previous prime is 221413341444391. The next prime is 221413341444437. The reversal of 221413341444410 is 14444143314122.

It can be written as a sum of positive squares in 4 ways, for example, as 44539753263721 + 176873588180689 = 6673811^2 + 13299383^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18059809649 + ... + 18059821908.

Almost surely, 2^{221413341444410} is an apocalyptic number.

221413341444410 is a deficient number, since it is larger than the sum of its proper divisors (177780826534606).

221413341444410 is a wasteful number, since it uses less digits than its factorization.

221413341444410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36119632177.

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 221413341444410 its reverse (14444143314122), we get a palindrome (235857484758532).

The spelling of 221413341444410 in words is "two hundred twenty-one trillion, four hundred thirteen billion, three hundred forty-one million, four hundred forty-four thousand, four hundred ten".