221040411341012 has 12 divisors (see below), whose sum is σ = 386878137248820. Its totient is φ = 110503800698496.

The previous prime is 221040411340999. The next prime is 221040411341107. The reversal of 221040411341012 is 210143114040122.

It can be written as a sum of positive squares in 2 ways, for example, as 114884398675396 + 106156012665616 = 10718414^2 + 10303204^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4101212687 + ... + 4101266582.

It is an arithmetic number, because the mean of its divisors is an integer number (32239844770735).

Almost surely, 2^{221040411341012} is an apocalyptic number.

It is an amenable number.

221040411341012 is a deficient number, since it is larger than the sum of its proper divisors (165837725907808).

221040411341012 is a wasteful number, since it uses less digits than its factorization.

221040411341012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202486010 (or 8202486008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 221040411341012 its reverse (210143114040122), we get a palindrome (431183525381134).

The spelling of 221040411341012 in words is "two hundred twenty-one trillion, forty billion, four hundred eleven million, three hundred forty-one thousand, twelve".