221414106520103 has 4 divisors (see below), whose sum is σ = 253044693165840. Its totient is φ = 189783519874368.

The previous prime is 221414106520073. The next prime is 221414106520141. The reversal of 221414106520103 is 301025601414122.

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

It is not a de Polignac number, because 221414106520103 - 2⁸ = 221414106519847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221414106520103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221414106520903) 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 3 ways as a sum of consecutive naturals, for example, 15815293322858 + ... + 15815293322871.

It is an arithmetic number, because the mean of its divisors is an integer number (63261173291460).

Almost surely, 2^{221414106520103} is an apocalyptic number.

221414106520103 is a deficient number, since it is larger than the sum of its proper divisors (31630586645737).

221414106520103 is an equidigital number, since it uses as much as digits as its factorization.

221414106520103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31630586645736.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 221414106520103 its reverse (301025601414122), we get a palindrome (522439707934225).

The spelling of 221414106520103 in words is "two hundred twenty-one trillion, four hundred fourteen billion, one hundred six million, five hundred twenty thousand, one hundred three".