211242110 has 16 divisors (see below), whose sum is σ = 380473632. Its totient is φ = 84444000.

The previous prime is 211242103. The next prime is 211242131. The reversal of 211242110 is 11242112.

It is a happy number.

It is a congruent 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, 12935 + ... + 24285.

It is an arithmetic number, because the mean of its divisors is an integer number (23779602).

Almost surely, 2^211242110 is an apocalyptic number.

211242110 is a deficient number, since it is larger than the sum of its proper divisors (169231522).

211242110 is a wasteful number, since it uses less digits than its factorization.

211242110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 211242110 is about 14534.1704269628. The cubic root of 211242110 is about 595.5617978454.

Adding to 211242110 its reverse (11242112), we get a palindrome (222484222).

The spelling of 211242110 in words is "two hundred eleven million, two hundred forty-two thousand, one hundred ten".