212106011107 has 4 divisors (see below), whose sum is σ = 219420011520. Its totient is φ = 204792010696.

The previous prime is 212106011099. The next prime is 212106011191. The reversal of 212106011107 is 701110601212.

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

It is a cyclic number.

It is not a de Polignac number, because 212106011107 - 2³ = 212106011099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212106018107) 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, 3657000163 + ... + 3657000220.

It is an arithmetic number, because the mean of its divisors is an integer number (54855002880).

Almost surely, 2^212106011107 is an apocalyptic number.

212106011107 is a deficient number, since it is larger than the sum of its proper divisors (7314000413).

212106011107 is an equidigital number, since it uses as much as digits as its factorization.

212106011107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314000412.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 212106011107 its reverse (701110601212), we get a palindrome (913216612319).

The spelling of 212106011107 in words is "two hundred twelve billion, one hundred six million, eleven thousand, one hundred seven".