211124342 has 16 divisors (see below), whose sum is σ = 372051792. Its totient is φ = 88583520.

The previous prime is 211124339. The next prime is 211124351. The reversal of 211124342 is 243421112.

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, 368813 + ... + 369384.

It is an arithmetic number, because the mean of its divisors is an integer number (23253237).

Almost surely, 2^211124342 is an apocalyptic number.

211124342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211124342 is a deficient number, since it is larger than the sum of its proper divisors (160927450).

211124342 is a wasteful number, since it uses less digits than its factorization.

211124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738223.

The product of its digits is 384, while the sum is 20.

The square root of 211124342 is about 14530.1184441146. The cubic root of 211124342 is about 595.4511015455.

Adding to 211124342 its reverse (243421112), we get a palindrome (454545454).

The spelling of 211124342 in words is "two hundred eleven million, one hundred twenty-four thousand, three hundred forty-two".