211131134300 has 36 divisors (see below), whose sum is σ = 458184174336. Its totient is φ = 84446995200.

The previous prime is 211131134299. The next prime is 211131134303. The reversal of 211131134300 is 3431131112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131134303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719764 + ... + 1838436.

It is an arithmetic number, because the mean of its divisors is an integer number (12727338176).

Almost surely, 2^211131134300 is an apocalyptic number.

211131134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211131134300 is an abundant number, since it is smaller than the sum of its proper divisors (247053040036).

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

211131134300 is a wasteful number, since it uses less digits than its factorization.

211131134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136478 (or 136471 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211131134300 its reverse (3431131112), we get a palindrome (214562265412).

The spelling of 211131134300 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred thirty-four thousand, three hundred".