211214152215 has 96 divisors (see below), whose sum is σ = 430048569600. Its totient is φ = 94749096960.

The previous prime is 211214152189. The next prime is 211214152231. The reversal of 211214152215 is 512251412112.

211214152215 is a `hidden beast` number, since 2 + 1 + 1 + 21 + 415 + 221 + 5 = 666.

It is not a de Polignac number, because 211214152215 - 2²⁰ = 211213103639 is a prime.

It is a super-2 number, since 2×211214152215² (a number of 23 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 283776 + ... + 709194.

It is an arithmetic number, because the mean of its divisors is an integer number (4479672600).

Almost surely, 2^211214152215 is an apocalyptic number.

211214152215 is an abundant number, since it is smaller than the sum of its proper divisors (218834417385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211214152215 is a wasteful number, since it uses less digits than its factorization.

211214152215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425517 (or 425514 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

Adding to 211214152215 its reverse (512251412112), we get a palindrome (723465564327).

The spelling of 211214152215 in words is "two hundred eleven billion, two hundred fourteen million, one hundred fifty-two thousand, two hundred fifteen".