212111000321 has 8 divisors (see below), whose sum is σ = 243572440800. Its totient is φ = 182679330240.

The previous prime is 212111000303. The next prime is 212111000327. The reversal of 212111000321 is 123000111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-212111000321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111000296 and 212111000305.

It is not an unprimeable number, because it can be changed into a prime (212111000327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507442376 + ... + 507442793.

It is an arithmetic number, because the mean of its divisors is an integer number (30446555100).

Almost surely, 2^212111000321 is an apocalyptic number.

It is an amenable number.

212111000321 is a deficient number, since it is larger than the sum of its proper divisors (31461440479).

212111000321 is a wasteful number, since it uses less digits than its factorization.

212111000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014885199.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212111000321 its reverse (123000111212), we get a palindrome (335111111533).

The spelling of 212111000321 in words is "two hundred twelve billion, one hundred eleven million, three hundred twenty-one", and thus it is an aban number.