100211165 has 8 divisors (see below), whose sum is σ = 120307128. Its totient is φ = 80133120.

The previous prime is 100211159. The next prime is 100211179. The reversal of 100211165 is 561112001.

It can be written as a sum of positive squares in 4 ways, for example, as 1387684 + 98823481 = 1178^2 + 9941^2 .

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

It is not a de Polignac number, because 100211165 - 2⁶ = 100211101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19949 + ... + 24461.

It is an arithmetic number, because the mean of its divisors is an integer number (15038391).

Almost surely, 2^100211165 is an apocalyptic number.

It is an amenable number.

100211165 is a deficient number, since it is larger than the sum of its proper divisors (20095963).

100211165 is an equidigital number, since it uses as much as digits as its factorization.

100211165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8959.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 100211165 is about 10010.5526820451. The cubic root of 100211165 is about 464.4853673644.

Adding to 100211165 its reverse (561112001), we get a palindrome (661323166).

It can be divided in two parts, 1002 and 11165, that added together give a cube (12167 = 23³).

The spelling of 100211165 in words is "one hundred million, two hundred eleven thousand, one hundred sixty-five".