211144230202208 has 72 divisors (see below), whose sum is σ = 441670553638272. Its totient is φ = 99341826914304.

The previous prime is 211144230202189. The next prime is 211144230202231. The reversal of 211144230202208 is 802202032441112.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43306241 + ... + 47934527.

It is an arithmetic number, because the mean of its divisors is an integer number (6134313244976).

Almost surely, 2^{211144230202208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211144230202208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220835276819136).

211144230202208 is an abundant number, since it is smaller than the sum of its proper divisors (230526323436064).

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

211144230202208 is a wasteful number, since it uses less digits than its factorization.

211144230202208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633264 (or 4633239 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 211144230202208 in words is "two hundred eleven trillion, one hundred forty-four billion, two hundred thirty million, two hundred two thousand, two hundred eight".