211240213115 has 8 divisors (see below), whose sum is σ = 253490862768. Its totient is φ = 168990432480.

The previous prime is 211240213109. The next prime is 211240213123. The reversal of 211240213115 is 511312042112.

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

It is not a de Polignac number, because 211240213115 - 2¹⁰ = 211240212091 is a prime.

It is a super-4 number, since 4×211240213115⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590660 + ... + 878270.

It is an arithmetic number, because the mean of its divisors is an integer number (31686357846).

Almost surely, 2^211240213115 is an apocalyptic number.

211240213115 is a deficient number, since it is larger than the sum of its proper divisors (42250649653).

211240213115 is a wasteful number, since it uses less digits than its factorization.

211240213115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434509.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 211240213115 its reverse (511312042112), we get a palindrome (722552255227).

The spelling of 211240213115 in words is "two hundred eleven billion, two hundred forty million, two hundred thirteen thousand, one hundred fifteen".