211002 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 60720.

The previous prime is 210967. The next prime is 211007. The reversal of 211002 is 200112.

It is a happy number.

211002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211007) by changing a digit.

211002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²¹¹⁰⁰² is an apocalyptic number.

211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 211002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241920).

211002 is an abundant number, since it is smaller than the sum of its proper divisors (272838).

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

211002 is a wasteful number, since it uses less digits than its factorization.

211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 211002 is about 459.3495401108. The cubic root of 211002 is about 59.5336062301.

Adding to 211002 its reverse (200112), we get a palindrome (411114).

The spelling of 211002 in words is "two hundred eleven thousand, two", and thus it is an iban number.