211120234 has 32 divisors (see below), whose sum is σ = 354274704. Its totient is φ = 93726720.

The previous prime is 211120223. The next prime is 211120237. The reversal of 211120234 is 432021112.

It can be written as a sum of positive squares in 8 ways, for example, as 82864609 + 128255625 = 9103^2 + 11325^2 .

It is not an unprimeable number, because it can be changed into a prime (211120237) 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 15 ways as a sum of consecutive naturals, for example, 76462 + ... + 79174.

Almost surely, 2^211120234 is an apocalyptic number.

211120234 is a deficient number, since it is larger than the sum of its proper divisors (143154470).

211120234 is a wasteful number, since it uses less digits than its factorization.

211120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211120234 is about 14529.9770818814. The cubic root of 211120234 is about 595.4472394786.

Adding to 211120234 its reverse (432021112), we get a palindrome (643141346).

The spelling of 211120234 in words is "two hundred eleven million, one hundred twenty thousand, two hundred thirty-four".