211141230985 has 8 divisors (see below), whose sum is σ = 254983296456. Its totient is φ = 167837105280.

The previous prime is 211141230977. The next prime is 211141231051. The reversal of 211141230985 is 589032141112.

It can be written as a sum of positive squares in 4 ways, for example, as 48025407609 + 163115823376 = 219147^2 + 403876^2 .

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

It is not a de Polignac number, because 211141230985 - 2³ = 211141230977 is a prime.

It is a super-2 number, since 2×211141230985² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 134484076 + ... + 134485645.

It is an arithmetic number, because the mean of its divisors is an integer number (31872912057).

Almost surely, 2^211141230985 is an apocalyptic number.

It is an amenable number.

211141230985 is a deficient number, since it is larger than the sum of its proper divisors (43842065471).

211141230985 is a wasteful number, since it uses less digits than its factorization.

211141230985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268969883.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 211141230985 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirty thousand, nine hundred eighty-five".