210211311000000 has 392 divisors, whose sum is σ = 704745530704240. Its totient is φ = 55288396800000.

The previous prime is 210211310999999. The next prime is 210211311000007. The reversal of 210211311000000 is 113112012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 210211311000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211311000007) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 218520066 + ... + 219479934.

Almost surely, 2^{210211311000000} is an apocalyptic number.

210211311000000 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 210211311000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352372765352120).

210211311000000 is an abundant number, since it is smaller than the sum of its proper divisors (494534219704240).

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

210211311000000 is an frugal number, since it uses more digits than its factorization.

210211311000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959987 (or 959952 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 210211311000000 its reverse (113112012), we get a palindrome (210211424112012).

The spelling of 210211311000000 in words is "two hundred ten trillion, two hundred eleven billion, three hundred eleven million", and thus it is an aban number.