101321200424 has 16 divisors (see below), whose sum is σ = 190045117620. Its totient is φ = 50642502400.

The previous prime is 101321200423. The next prime is 101321200429. The reversal of 101321200424 is 424002123101.

It can be written as a sum of positive squares in 2 ways, for example, as 90469811524 + 10851388900 = 300782^2 + 104170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101321200396 and 101321200405.

It is not an unprimeable number, because it can be changed into a prime (101321200423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238419 + ... + 2283234.

Almost surely, 2^101321200424 is an apocalyptic number.

It is an amenable number.

101321200424 is a deficient number, since it is larger than the sum of its proper divisors (88723917196).

101321200424 is a wasteful number, since it uses less digits than its factorization.

101321200424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524460 (or 4524456 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101321200424 its reverse (424002123101), we get a palindrome (525323323525).

The spelling of 101321200424 in words is "one hundred one billion, three hundred twenty-one million, two hundred thousand, four hundred twenty-four".