100215052250 has 16 divisors (see below), whose sum is σ = 187602578280. Its totient is φ = 40086020800.

The previous prime is 100215052237. The next prime is 100215052271. The reversal of 100215052250 is 52250512001.

It can be written as a sum of positive squares in 4 ways, for example, as 26853704641 + 73361347609 = 163871^2 + 270853^2 .

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, 200429855 + ... + 200430354.

Almost surely, 2^100215052250 is an apocalyptic number.

100215052250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100215052250 is a deficient number, since it is larger than the sum of its proper divisors (87387526030).

100215052250 is an equidigital number, since it uses as much as digits as its factorization.

100215052250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400860226 (or 400860216 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 100215052250 its reverse (52250512001), we get a palindrome (152465564251).

The spelling of 100215052250 in words is "one hundred billion, two hundred fifteen million, fifty-two thousand, two hundred fifty".