211144042 has 8 divisors (see below), whose sum is σ = 316800036. Its totient is φ = 105544032.

The previous prime is 211144039. The next prime is 211144057. The reversal of 211144042 is 240441112.

211144042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159289641 + 51854401 = 12621^2 + 7201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763 + ... + 20734.

Almost surely, 2^211144042 is an apocalyptic number.

211144042 is a deficient number, since it is larger than the sum of its proper divisors (105655994).

211144042 is a wasteful number, since it uses less digits than its factorization.

211144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27992.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 211144042 is about 14530.7963305526. The cubic root of 211144042 is about 595.4696214719.

Adding to 211144042 its reverse (240441112), we get a palindrome (451585154).

The spelling of 211144042 in words is "two hundred eleven million, one hundred forty-four thousand, forty-two".