211442024 has 16 divisors (see below), whose sum is σ = 396796320. Its totient is φ = 105629680.

The previous prime is 211442009. The next prime is 211442029. The reversal of 211442024 is 420244112.

It is a junction number, because it is equal to n+sod(n) for n = 211441987 and 211442005.

It is not an unprimeable number, because it can be changed into a prime (211442029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (24799770).

Almost surely, 2^211442024 is an apocalyptic number.

It is an amenable number.

211442024 is a deficient number, since it is larger than the sum of its proper divisors (185354296).

211442024 is a wasteful number, since it uses less digits than its factorization.

211442024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840 (or 22836 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 211442024 is about 14541.0461796942. The cubic root of 211442024 is about 595.7496133054.

Adding to 211442024 its reverse (420244112), we get a palindrome (631686136).

The spelling of 211442024 in words is "two hundred eleven million, four hundred forty-two thousand, twenty-four".