104221144443 has 32 divisors (see below), whose sum is σ = 154848133440. Its totient is φ = 61909747200.

The previous prime is 104221144439. The next prime is 104221144457. The reversal of 104221144443 is 344441122401.

It is a happy number.

It is not a de Polignac number, because 104221144443 - 2² = 104221144439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104221144443.

It is not an unprimeable number, because it can be changed into a prime (104221144343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6385393 + ... + 6401693.

It is an arithmetic number, because the mean of its divisors is an integer number (4839004170).

Almost surely, 2^104221144443 is an apocalyptic number.

104221144443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104221144443 is a deficient number, since it is larger than the sum of its proper divisors (50626988997).

104221144443 is a wasteful number, since it uses less digits than its factorization.

104221144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21999.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 104221144443 its reverse (344441122401), we get a palindrome (448662266844).

The spelling of 104221144443 in words is "one hundred four billion, two hundred twenty-one million, one hundred forty-four thousand, four hundred forty-three".