212101111000 has 64 divisors (see below), whose sum is σ = 501230864160. Its totient is φ = 84000400000.

The previous prime is 212101110979. The next prime is 212101111003. The reversal of 212101111000 is 111101212.

212101111000 is digitally balanced in base 3, because in such base 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 (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101111003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949006 + ... + 1151005.

Almost surely, 2^212101111000 is an apocalyptic number.

212101111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101111000 is an abundant number, since it is smaller than the sum of its proper divisors (289129753160).

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

212101111000 is a wasteful number, since it uses less digits than its factorization.

212101111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100133 (or 2100119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 212101111000 its reverse (111101212), we get a palindrome (212212212212).

The spelling of 212101111000 in words is "two hundred twelve billion, one hundred one million, one hundred eleven thousand".