221413411612 has 24 divisors (see below), whose sum is σ = 401989840560. Its totient is φ = 106581175680.

The previous prime is 221413411603. The next prime is 221413411613. The reversal of 221413411612 is 216114314122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221413411613) 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 7 ways as a sum of consecutive naturals, for example, 2710089 + ... + 2790592.

It is an arithmetic number, because the mean of its divisors is an integer number (16749576690).

Almost surely, 2^221413411612 is an apocalyptic number.

It is an amenable number.

221413411612 is a deficient number, since it is larger than the sum of its proper divisors (180576428948).

221413411612 is a wasteful number, since it uses less digits than its factorization.

221413411612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501061 (or 5501059 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

Adding to 221413411612 its reverse (216114314122), we get a palindrome (437527725734).

The spelling of 221413411612 in words is "two hundred twenty-one billion, four hundred thirteen million, four hundred eleven thousand, six hundred twelve".