212112100000111 has 8 divisors (see below), whose sum is σ = 212819346134784. Its totient is φ = 211405254011160.

The previous prime is 212112100000067. The next prime is 212112100000117. The reversal of 212112100000111 is 111000001211212.

It is a happy number.

212112100000111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212112100000111 - 2¹³ = 212112099991919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212112100000091 and 212112100000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112100000117) 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, 98974471 + ... + 101094856.

It is an arithmetic number, because the mean of its divisors is an integer number (26602418266848).

Almost surely, 2^{212112100000111} is an apocalyptic number.

212112100000111 is a deficient number, since it is larger than the sum of its proper divisors (707246134673).

212112100000111 is a wasteful number, since it uses less digits than its factorization.

212112100000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200072861.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212112100000111 its reverse (111000001211212), we get a palindrome (323112101211323).

The spelling of 212112100000111 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred million, one hundred eleven", and thus it is an aban number.