100421300224424 has 8 divisors (see below), whose sum is σ = 188289937920810. Its totient is φ = 50210650112208.

The previous prime is 100421300224373. The next prime is 100421300224429. The reversal of 100421300224424 is 424422003124001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58953496021924 + 41467804202500 = 7678118^2 + 6439550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×100421300224424² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100421300224429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276331264019 + ... + 6276331264034.

Almost surely, 2^{100421300224424} is an apocalyptic number.

It is an amenable number.

100421300224424 is a deficient number, since it is larger than the sum of its proper divisors (87868637696386).

100421300224424 is a wasteful number, since it uses less digits than its factorization.

100421300224424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552662528059 (or 12552662528055 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 100421300224424 its reverse (424422003124001), we get a palindrome (524843303348425).

The spelling of 100421300224424 in words is "one hundred trillion, four hundred twenty-one billion, three hundred million, two hundred twenty-four thousand, four hundred twenty-four".