211066828900 has 36 divisors (see below), whose sum is σ = 458045249200. Its totient is φ = 84421159200.

The previous prime is 211066828849. The next prime is 211066828901. The reversal of 211066828900 is 9828660112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211066828901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668895 + ... + 1790905.

Almost surely, 2^211066828900 is an apocalyptic number.

211066828900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211066828900 is an abundant number, since it is smaller than the sum of its proper divisors (246978420300).

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

211066828900 is a wasteful number, since it uses less digits than its factorization.

211066828900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139324 (or 139317 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 211066828900 in words is "two hundred eleven billion, sixty-six million, eight hundred twenty-eight thousand, nine hundred".