1404221102221 has 16 divisors (see below), whose sum is σ = 1620215726976. Its totient is φ = 1192079843136.

The previous prime is 1404221102183. The next prime is 1404221102261. The reversal of 1404221102221 is 1222011224041.

It is not a de Polignac number, because 1404221102221 - 2³⁹ = 854465288333 is a prime.

It is a super-2 number, since 2×1404221102221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1404221102192 and 1404221102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404221102261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2888095 + ... + 3339091.

It is an arithmetic number, because the mean of its divisors is an integer number (101263482936).

Almost surely, 2^{1404221102221} is an apocalyptic number.

It is an amenable number.

1404221102221 is a deficient number, since it is larger than the sum of its proper divisors (215994624755).

1404221102221 is a wasteful number, since it uses less digits than its factorization.

1404221102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455268.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1404221102221 its reverse (1222011224041), we get a palindrome (2626232326262).

The spelling of 1404221102221 in words is "one trillion, four hundred four billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-one".