221244225544103 has 8 divisors (see below), whose sum is σ = 221287380240000. Its totient is φ = 221201074015488.

The previous prime is 221244225544073. The next prime is 221244225544157. The reversal of 221244225544103 is 301445522442122.

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 221244225544103 - 2²⁶ = 221244158435239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221244225544703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141409898 + ... + 142965896.

It is an arithmetic number, because the mean of its divisors is an integer number (27660922530000).

Almost surely, 2^{221244225544103} is an apocalyptic number.

221244225544103 is a deficient number, since it is larger than the sum of its proper divisors (43154695897).

221244225544103 is a wasteful number, since it uses less digits than its factorization.

221244225544103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583641.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 221244225544103 its reverse (301445522442122), we get a palindrome (522689747986225).

The spelling of 221244225544103 in words is "two hundred twenty-one trillion, two hundred forty-four billion, two hundred twenty-five million, five hundred forty-four thousand, one hundred three".