211131021232 has 10 divisors (see below), whose sum is σ = 409066353668. Its totient is φ = 105565510608.

The previous prime is 211131021187. The next prime is 211131021239. The reversal of 211131021232 is 232120131112.

It is not an unprimeable number, because it can be changed into a prime (211131021239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597844398 + ... + 6597844429.

Almost surely, 2^211131021232 is an apocalyptic number.

It is an amenable number.

211131021232 is a deficient number, since it is larger than the sum of its proper divisors (197935332436).

211131021232 is a wasteful number, since it uses less digits than its factorization.

211131021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195688835 (or 13195688829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211131021232 its reverse (232120131112), we get a palindrome (443251152344).

The spelling of 211131021232 in words is "two hundred eleven billion, one hundred thirty-one million, twenty-one thousand, two hundred thirty-two".