100203100205 has 8 divisors (see below), whose sum is σ = 129493237272. Its totient is φ = 73996135488.

The previous prime is 100203100169. The next prime is 100203100219. The reversal of 100203100205 is 502001302001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6590354761 + 93612745444 = 81181^2 + 305962^2 .

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 100203100205 - 2¹⁰ = 100203099181 is a prime.

It is a super-2 number, since 2×100203100205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100203100205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770793014 + ... + 770793143.

It is an arithmetic number, because the mean of its divisors is an integer number (16186654659).

Almost surely, 2^100203100205 is an apocalyptic number.

It is an amenable number.

100203100205 is a deficient number, since it is larger than the sum of its proper divisors (29290137067).

100203100205 is a wasteful number, since it uses less digits than its factorization.

100203100205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541586175.

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 100203100205 its reverse (502001302001), we get a palindrome (602204402206).

The spelling of 100203100205 in words is "one hundred billion, two hundred three million, one hundred thousand, two hundred five".