211130234144 has 24 divisors (see below), whose sum is σ = 419947836588. Its totient is φ = 104476815360.

The previous prime is 211130234143. The next prime is 211130234149. The reversal of 211130234144 is 441432031112.

211130234144 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 187825158544 + 23305075600 = 433388^2 + 152660^2 .

It is not an unprimeable number, because it can be changed into a prime (211130234143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34006277 + ... + 34012484.

Almost surely, 2^211130234144 is an apocalyptic number.

It is an amenable number.

211130234144 is a deficient number, since it is larger than the sum of its proper divisors (208817602444).

211130234144 is an equidigital number, since it uses as much as digits as its factorization.

211130234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68018868 (or 68018860 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211130234144 its reverse (441432031112), we get a palindrome (652562265256).

The spelling of 211130234144 in words is "two hundred eleven billion, one hundred thirty million, two hundred thirty-four thousand, one hundred forty-four".