1104243031221 has 8 divisors (see below), whose sum is σ = 1606171681824. Its totient is φ = 669238200720.

The previous prime is 1104243031217. The next prime is 1104243031237. The reversal of 1104243031221 is 1221303424011.

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

It is not a de Polignac number, because 1104243031221 - 2² = 1104243031217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1104243031191 and 1104243031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104243031121) 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, 16730954986 + ... + 16730955051.

It is an arithmetic number, because the mean of its divisors is an integer number (200771460228).

Almost surely, 2^{1104243031221} is an apocalyptic number.

1104243031221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1104243031221 is a deficient number, since it is larger than the sum of its proper divisors (501928650603).

1104243031221 is a wasteful number, since it uses less digits than its factorization.

1104243031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461910051.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1104243031221 its reverse (1221303424011), we get a palindrome (2325546455232).

The spelling of 1104243031221 in words is "one trillion, one hundred four billion, two hundred forty-three million, thirty-one thousand, two hundred twenty-one".