101521424424 has 64 divisors (see below), whose sum is σ = 290102716800. Its totient is φ = 29001970944.

The previous prime is 101521424419. The next prime is 101521424441. The reversal of 101521424424 is 424424125101.

It is a junction number, because it is equal to n+sod(n) for n = 101521424391 and 101521424400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248994 + ... + 1327790.

It is an arithmetic number, because the mean of its divisors is an integer number (4532854950).

Almost surely, 2^101521424424 is an apocalyptic number.

101521424424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101521424424 is an abundant number, since it is smaller than the sum of its proper divisors (188581292376).

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

101521424424 is a wasteful number, since it uses less digits than its factorization.

101521424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86482 (or 86478 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 101521424424 its reverse (424424125101), we get a palindrome (525945549525).

The spelling of 101521424424 in words is "one hundred one billion, five hundred twenty-one million, four hundred twenty-four thousand, four hundred twenty-four".