211046242 has 8 divisors (see below), whose sum is σ = 345348432. Its totient is φ = 95930100.

The previous prime is 211046239. The next prime is 211046249. The reversal of 211046242 is 242640112.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9593011 = 211046242 / (2 + 1 + 1 + 0 + 4 + 6 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (211046249) 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, 4796484 + ... + 4796527.

It is an arithmetic number, because the mean of its divisors is an integer number (43168554).

Almost surely, 2^211046242 is an apocalyptic number.

211046242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211046242 is a deficient number, since it is larger than the sum of its proper divisors (134302190).

211046242 is a wasteful number, since it uses less digits than its factorization.

211046242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593024.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 211046242 is about 14527.4306744173. The cubic root of 211046242 is about 595.3776685688.

Adding to 211046242 its reverse (242640112), we get a palindrome (453686354).

The spelling of 211046242 in words is "two hundred eleven million, forty-six thousand, two hundred forty-two".