211411042 has 16 divisors (see below), whose sum is σ = 324197280. Its totient is φ = 103364352.

The previous prime is 211411003. The next prime is 211411049. The reversal of 211411042 is 240114112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211411049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18133 + ... + 27415.

It is an arithmetic number, because the mean of its divisors is an integer number (20262330).

Almost surely, 2^211411042 is an apocalyptic number.

211411042 is a deficient number, since it is larger than the sum of its proper divisors (112786238).

211411042 is a wasteful number, since it uses less digits than its factorization.

211411042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 211411042 is about 14539.9808115417. The cubic root of 211411042 is about 595.7205140505.

Adding to 211411042 its reverse (240114112), we get a palindrome (451525154).

The spelling of 211411042 in words is "two hundred eleven million, four hundred eleven thousand, forty-two".