211030303221012 has 96 divisors (see below), whose sum is σ = 551697313636224. Its totient is φ = 62218972108800.

The previous prime is 211030303221011. The next prime is 211030303221071. The reversal of 211030303221012 is 210122303030112.

211030303221012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211030303221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030303221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255083712 + ... + 255909672.

It is an arithmetic number, because the mean of its divisors is an integer number (5746847017044).

Almost surely, 2^{211030303221012} is an apocalyptic number.

211030303221012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211030303221012 is an abundant number, since it is smaller than the sum of its proper divisors (340667010415212).

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

211030303221012 is a wasteful number, since it uses less digits than its factorization.

211030303221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878329 (or 878327 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211030303221012 its reverse (210122303030112), we get a palindrome (421152606251124).

The spelling of 211030303221012 in words is "two hundred eleven trillion, thirty billion, three hundred three million, two hundred twenty-one thousand, twelve".