100225111205 has 8 divisors (see below), whose sum is σ = 121621483800. Its totient is φ = 79279188736.

The previous prime is 100225111201. The next prime is 100225111211. The reversal of 100225111205 is 502111522001.

It can be written as a sum of positive squares in 4 ways, for example, as 3517794721 + 96707316484 = 59311^2 + 310978^2 .

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 100225111205 - 2² = 100225111201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100225111201) 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, 112612040 + ... + 112612929.

It is an arithmetic number, because the mean of its divisors is an integer number (15202685475).

Almost surely, 2^100225111205 is an apocalyptic number.

It is an amenable number.

100225111205 is a deficient number, since it is larger than the sum of its proper divisors (21396372595).

100225111205 is an equidigital number, since it uses as much as digits as its factorization.

100225111205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225225063.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 100225111205 its reverse (502111522001), we get a palindrome (602336633206).

The spelling of 100225111205 in words is "one hundred billion, two hundred twenty-five million, one hundred eleven thousand, two hundred five".