211312321000 has 64 divisors (see below), whose sum is σ = 539422752960. Its totient is φ = 76840840000.

The previous prime is 211312320977. The next prime is 211312321001. The reversal of 211312321000 is 123213112.

211312321000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211312321001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9594106 + ... + 9616105.

It is an arithmetic number, because the mean of its divisors is an integer number (8428480515).

Almost surely, 2^211312321000 is an apocalyptic number.

211312321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211312321000 is an abundant number, since it is smaller than the sum of its proper divisors (328110431960).

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

211312321000 is a wasteful number, since it uses less digits than its factorization.

211312321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19210243 (or 19210229 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211312321000 its reverse (123213112), we get a palindrome (211435534112).

The spelling of 211312321000 in words is "two hundred eleven billion, three hundred twelve million, three hundred twenty-one thousand".