212000222111311 has 4 divisors (see below), whose sum is σ = 212324877888552. Its totient is φ = 211675566334072.

The previous prime is 212000222111273. The next prime is 212000222111323. The reversal of 212000222111311 is 113111222000212.

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 212000222111311 - 2²¹ = 212000220014159 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 (212000222111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162327887641 + ... + 162327888946.

It is an arithmetic number, because the mean of its divisors is an integer number (53081219472138).

Almost surely, 2^{212000222111311} is an apocalyptic number.

212000222111311 is a deficient number, since it is larger than the sum of its proper divisors (324655777241).

212000222111311 is an equidigital number, since it uses as much as digits as its factorization.

212000222111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324655777240.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212000222111311 its reverse (113111222000212), we get a palindrome (325111444111523).

The spelling of 212000222111311 in words is "two hundred twelve trillion, two hundred twenty-two million, one hundred eleven thousand, three hundred eleven".