211003323203000 has 256 divisors, whose sum is σ = 524063362268160. Its totient is φ = 79378071552000.

The previous prime is 211003323202999. The next prime is 211003323203047. The reversal of 211003323203000 is 302323300112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 982871672 + ... + 983086328.

It is an arithmetic number, because the mean of its divisors is an integer number (2047122508860).

Almost surely, 2^{211003323203000} is an apocalyptic number.

211003323203000 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 211003323203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262031681134080).

211003323203000 is an abundant number, since it is smaller than the sum of its proper divisors (313060039065160).

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

211003323203000 is a wasteful number, since it uses less digits than its factorization.

211003323203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215603 (or 215589 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 211003323203000 its reverse (302323300112), we get a palindrome (211305646503112).

The spelling of 211003323203000 in words is "two hundred eleven trillion, three billion, three hundred twenty-three million, two hundred three thousand".