211232100130985 has 16 divisors (see below), whose sum is σ = 254946133668240. Its totient is φ = 168007289640960.

The previous prime is 211232100130981. The next prime is 211232100130991. The reversal of 211232100130985 is 589031001232112.

It can be written as a sum of positive squares in 8 ways, for example, as 36496061192809 + 174736038938176 = 6041197^2 + 13218776^2 .

It is not a de Polignac number, because 211232100130985 - 2² = 211232100130981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211232100130981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94600901 + ... + 96808029.

It is an arithmetic number, because the mean of its divisors is an integer number (15934133354265).

Almost surely, 2^{211232100130985} is an apocalyptic number.

It is an amenable number.

211232100130985 is a deficient number, since it is larger than the sum of its proper divisors (43714033537255).

211232100130985 is a wasteful number, since it uses less digits than its factorization.

211232100130985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317948.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 211232100130985 in words is "two hundred eleven trillion, two hundred thirty-two billion, one hundred million, one hundred thirty thousand, nine hundred eighty-five".