221404241122 has 8 divisors (see below), whose sum is σ = 340206516972. Its totient is φ = 108002068800.

The previous prime is 221404241111. The next prime is 221404241159. The reversal of 221404241122 is 221142404122.

221404241122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 219678752601 + 1725488521 = 468699^2 + 41539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350025779 + ... + 1350025942.

Almost surely, 2^221404241122 is an apocalyptic number.

221404241122 is a deficient number, since it is larger than the sum of its proper divisors (118802275850).

221404241122 is a wasteful number, since it uses less digits than its factorization.

221404241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700051764.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 221404241122 its reverse (221142404122), we get a palindrome (442546645244).

The spelling of 221404241122 in words is "two hundred twenty-one billion, four hundred four million, two hundred forty-one thousand, one hundred twenty-two".