100021350005 has 8 divisors (see below), whose sum is σ = 120135039192. Its totient is φ = 79944133888.

The previous prime is 100021349993. The next prime is 100021350007. The reversal of 100021350005 is 500053120001.

It can be written as a sum of positive squares in 4 ways, for example, as 292341604 + 99729008401 = 17098^2 + 315799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021350005 - 2²⁸ = 99752914549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021350007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9112232 + ... + 9123201.

It is an arithmetic number, because the mean of its divisors is an integer number (15016879899).

Almost surely, 2^100021350005 is an apocalyptic number.

It is an amenable number.

100021350005 is a deficient number, since it is larger than the sum of its proper divisors (20113689187).

100021350005 is a wasteful number, since it uses less digits than its factorization.

100021350005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236535.

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 100021350005 its reverse (500053120001), we get a palindrome (600074470006).

The spelling of 100021350005 in words is "one hundred billion, twenty-one million, three hundred fifty thousand, five".