211330000000 has 256 divisors, whose sum is σ = 601639084800. Its totient is φ = 72432000000.

The previous prime is 211329999961. The next prime is 211330000043. The reversal of 211330000000 is 33112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 69998491 + ... + 70001509.

It is an arithmetic number, because the mean of its divisors is an integer number (2350152675).

Almost surely, 2^211330000000 is an apocalyptic number.

211330000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211330000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300819542400).

211330000000 is an abundant number, since it is smaller than the sum of its proper divisors (390309084800).

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

211330000000 is an frugal number, since it uses more digits than its factorization.

211330000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 211330000000 its reverse (33112), we get a palindrome (211330033112).

The spelling of 211330000000 in words is "two hundred eleven billion, three hundred thirty million", and thus it is an aban number.