212201000111 has 4 divisors (see below), whose sum is σ = 214887088800. Its totient is φ = 209514911424.

The previous prime is 212201000093. The next prime is 212201000113. The reversal of 212201000111 is 111000102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212201000111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212201000092 and 212201000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201000113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343044226 + ... + 1343044383.

It is an arithmetic number, because the mean of its divisors is an integer number (53721772200).

Almost surely, 2^212201000111 is an apocalyptic number.

212201000111 is a deficient number, since it is larger than the sum of its proper divisors (2686088689).

212201000111 is an equidigital number, since it uses as much as digits as its factorization.

212201000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686088688.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212201000111 its reverse (111000102212), we get a palindrome (323201102323).

The spelling of 212201000111 in words is "two hundred twelve billion, two hundred one million, one hundred eleven", and thus it is an aban number.