211131120433 has 8 divisors (see below), whose sum is σ = 215419697640. Its totient is φ = 206885644800.

The previous prime is 211131120383. The next prime is 211131120439. The reversal of 211131120433 is 334021131112.

It can be written as a sum of positive squares in 4 ways, for example, as 20556964129 + 190574156304 = 143377^2 + 436548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211131120433 - 2¹⁷ = 211130989361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211131120439) 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 7 ways as a sum of consecutive naturals, for example, 10765498 + ... + 10785091.

It is an arithmetic number, because the mean of its divisors is an integer number (26927462205).

Almost surely, 2^211131120433 is an apocalyptic number.

It is an amenable number.

211131120433 is a deficient number, since it is larger than the sum of its proper divisors (4288577207).

211131120433 is a wasteful number, since it uses less digits than its factorization.

211131120433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550787.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211131120433 its reverse (334021131112), we get a palindrome (545152251545).

The spelling of 211131120433 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty thousand, four hundred thirty-three".