212100201000111 has 8 divisors (see below), whose sum is σ = 284493682779264. Its totient is φ = 140553426610520.

The previous prime is 212100201000097. The next prime is 212100201000169. The reversal of 212100201000111 is 111000102001212.

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

It is a cyclic number.

It is not a de Polignac number, because 212100201000111 - 2⁶ = 212100201000047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100201000811) 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, 211676846805 + ... + 211676847806.

It is an arithmetic number, because the mean of its divisors is an integer number (35561710347408).

Almost surely, 2^{212100201000111} is an apocalyptic number.

212100201000111 is a deficient number, since it is larger than the sum of its proper divisors (72393481779153).

212100201000111 is a wasteful number, since it uses less digits than its factorization.

212100201000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423353694781.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212100201000111 its reverse (111000102001212), we get a palindrome (323100303001323).

The spelling of 212100201000111 in words is "two hundred twelve trillion, one hundred billion, two hundred one million, one hundred eleven", and thus it is an aban number.