100215020015 has 8 divisors (see below), whose sum is σ = 131190571728. Its totient is φ = 72883650880.

The previous prime is 100215019997. The next prime is 100215020027. The reversal of 100215020015 is 510020512001.

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

It is not a de Polignac number, because 100215020015 - 2²⁸ = 99946584559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100215019975 and 100215020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911045582 + ... + 911045691.

It is an arithmetic number, because the mean of its divisors is an integer number (16398821466).

Almost surely, 2^100215020015 is an apocalyptic number.

100215020015 is a deficient number, since it is larger than the sum of its proper divisors (30975551713).

100215020015 is a wasteful number, since it uses less digits than its factorization.

100215020015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822091289.

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 100215020015 its reverse (510020512001), we get a palindrome (610235532016).

The spelling of 100215020015 in words is "one hundred billion, two hundred fifteen million, twenty thousand, fifteen".