1404103220221 has 8 divisors (see below), whose sum is σ = 1512197336664. Its totient is φ = 1296021414720.

The previous prime is 1404103220159. The next prime is 1404103220237. The reversal of 1404103220221 is 1220223014041.

It can be written as a sum of positive squares in 4 ways, for example, as 81002852100 + 1323100368121 = 284610^2 + 1150261^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1404103220221 - 2²¹ = 1404101123069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404103220192 and 1404103220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404107220221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840170 + ... + 3297691.

It is an arithmetic number, because the mean of its divisors is an integer number (189024667083).

Almost surely, 2^{1404103220221} is an apocalyptic number.

It is an amenable number.

1404103220221 is a deficient number, since it is larger than the sum of its proper divisors (108094116443).

1404103220221 is a wasteful number, since it uses less digits than its factorization.

1404103220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155471.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1404103220221 its reverse (1220223014041), we get a palindrome (2624326234262).

The spelling of 1404103220221 in words is "one trillion, four hundred four billion, one hundred three million, two hundred twenty thousand, two hundred twenty-one".