211414242 has 16 divisors (see below), whose sum is σ = 455353920. Its totient is φ = 65050512.

The previous prime is 211414213. The next prime is 211414253. The reversal of 211414242 is 242414112.

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, 1355142 + ... + 1355297.

It is an arithmetic number, because the mean of its divisors is an integer number (28459620).

Almost surely, 2^211414242 is an apocalyptic number.

211414242 is an abundant number, since it is smaller than the sum of its proper divisors (243939678).

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

211414242 is a wasteful number, since it uses less digits than its factorization.

211414242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710457.

The product of its digits is 512, while the sum is 21.

The square root of 211414242 is about 14540.0908525360. The cubic root of 211414242 is about 595.7235197213.

Adding to 211414242 its reverse (242414112), we get a palindrome (453828354).

The spelling of 211414242 in words is "two hundred eleven million, four hundred fourteen thousand, two hundred forty-two".