211133132250 has 64 divisors (see below), whose sum is σ = 527568477696. Its totient is φ = 56240184000.

The previous prime is 211133132239. The next prime is 211133132257. The reversal of 211133132250 is 52231331112.

It is a happy number.

211133132250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211133132250.

It is not an unprimeable number, because it can be changed into a prime (211133132257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528744 + ... + 837756.

It is an arithmetic number, because the mean of its divisors is an integer number (8243257464).

Almost surely, 2^211133132250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211133132250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263784238848).

211133132250 is an abundant number, since it is smaller than the sum of its proper divisors (316435345446).

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

211133132250 is a wasteful number, since it uses less digits than its factorization.

211133132250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309944 (or 309934 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 211133132250 its reverse (52231331112), we get a palindrome (263364463362).

The spelling of 211133132250 in words is "two hundred eleven billion, one hundred thirty-three million, one hundred thirty-two thousand, two hundred fifty".