10404412221 has 8 divisors (see below), whose sum is σ = 15854342464. Its totient is φ = 5945378400.

The previous prime is 10404412219. The next prime is 10404412223. The reversal of 10404412221 is 12221440401.

It is an interprime number because it is at equal distance from previous prime (10404412219) and next prime (10404412223).

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

It is not a de Polignac number, because 10404412221 - 2¹ = 10404412219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 495448201 = 10404412221 / (1 + 0 + 4 + 0 + 4 + 4 + 1 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404412223) 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 7 ways as a sum of consecutive naturals, for example, 247724080 + ... + 247724121.

It is an arithmetic number, because the mean of its divisors is an integer number (1981792808).

Almost surely, 2^10404412221 is an apocalyptic number.

It is an amenable number.

10404412221 is a deficient number, since it is larger than the sum of its proper divisors (5449930243).

10404412221 is an equidigital number, since it uses as much as digits as its factorization.

10404412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495448211.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10404412221 its reverse (12221440401), we get a palindrome (22625852622).

The spelling of 10404412221 in words is "ten billion, four hundred four million, four hundred twelve thousand, two hundred twenty-one".