211140512 has 24 divisors (see below), whose sum is σ = 453472992. Its totient is φ = 95972800.

The previous prime is 211140511. The next prime is 211140533. The reversal of 211140512 is 215041112.

It is not an unprimeable number, because it can be changed into a prime (211140511) 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, 299564 + ... + 300267.

It is an arithmetic number, because the mean of its divisors is an integer number (18894708).

Almost surely, 2^211140512 is an apocalyptic number.

211140512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211140512 is an abundant number, since it is smaller than the sum of its proper divisors (242332480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211140512 is a wasteful number, since it uses less digits than its factorization.

211140512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599852 (or 599844 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 211140512 is about 14530.6748638871. The cubic root of 211140512 is about 595.4663030115.

Adding to 211140512 its reverse (215041112), we get a palindrome (426181624).

The spelling of 211140512 in words is "two hundred eleven million, one hundred forty thousand, five hundred twelve".