100424144421 has 36 divisors (see below), whose sum is σ = 154144680352. Its totient is φ = 62989605504.

The previous prime is 100424144411. The next prime is 100424144497. The reversal of 100424144421 is 124441424001.

It is a happy number.

It is not a de Polignac number, because 100424144421 - 2⁶ = 100424144357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100424144411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11250066 + ... + 11258988.

Almost surely, 2^100424144421 is an apocalyptic number.

It is an amenable number.

100424144421 is a deficient number, since it is larger than the sum of its proper divisors (53720535931).

100424144421 is a wasteful number, since it uses less digits than its factorization.

100424144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290 (or 13270 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 100424144421 its reverse (124441424001), we get a palindrome (224865568422).

The spelling of 100424144421 in words is "one hundred billion, four hundred twenty-four million, one hundred forty-four thousand, four hundred twenty-one".