104421521510500 has 24 divisors (see below), whose sum is σ = 228056602980024. Its totient is φ = 41768608604000.

The previous prime is 104421521510497. The next prime is 104421521510503. The reversal of 104421521510500 is 5015125124401.

It is an interprime number because it is at equal distance from previous prime (104421521510497) and next prime (104421521510503).

It can be written as a sum of positive squares in 4 ways, for example, as 281619139684 + 104139902370816 = 530678^2 + 10204896^2 .

It is a super-2 number, since 2×104421521510500² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104421521510503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104421521011 + ... + 104421522010.

It is an arithmetic number, because the mean of its divisors is an integer number (9502358457501).

Almost surely, 2^{104421521510500} is an apocalyptic number.

104421521510500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104421521510500 is an abundant number, since it is smaller than the sum of its proper divisors (123635081469524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104421521510500 is a wasteful number, since it uses less digits than its factorization.

104421521510500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208843043040 (or 208843043028 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 104421521510500 its reverse (5015125124401), we get a palindrome (109436646634901).

The spelling of 104421521510500 in words is "one hundred four trillion, four hundred twenty-one billion, five hundred twenty-one million, five hundred ten thousand, five hundred".