212112222002101 has 4 divisors (see below), whose sum is σ = 212112509755104. Its totient is φ = 212111934249100.

The previous prime is 212112222002071. The next prime is 212112222002123. The reversal of 212112222002101 is 101200222211212.

212112222002101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212112222002101 - 2¹¹ = 212112222000053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112222002141) 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, 142767955 + ... + 144246016.

It is an arithmetic number, because the mean of its divisors is an integer number (53028127438776).

Almost surely, 2^{212112222002101} is an apocalyptic number.

It is an amenable number.

212112222002101 is a deficient number, since it is larger than the sum of its proper divisors (287753003).

212112222002101 is an equidigital number, since it uses as much as digits as its factorization.

212112222002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287753002.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212112222002101 its reverse (101200222211212), we get a palindrome (313312444213313).

The spelling of 212112222002101 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, two thousand, one hundred one".