211066828902 has 48 divisors (see below), whose sum is σ = 461762655120. Its totient is φ = 69671317056.

The previous prime is 211066828901. The next prime is 211066829047. The reversal of 211066828902 is 209828660112.

It is a super-3 number, since 3×211066828902³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5351968 + ... + 5391260.

It is an arithmetic number, because the mean of its divisors is an integer number (9620055315).

Almost surely, 2^211066828902 is an apocalyptic number.

211066828902 is an abundant number, since it is smaller than the sum of its proper divisors (250695826218).

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

211066828902 is a wasteful number, since it uses less digits than its factorization.

211066828902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42197 (or 42194 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 211066828902 in words is "two hundred eleven billion, sixty-six million, eight hundred twenty-eight thousand, nine hundred two".