212020333311 has 4 divisors (see below), whose sum is σ = 282693777752. Its totient is φ = 141346888872.

The previous prime is 212020333241. The next prime is 212020333319. The reversal of 212020333311 is 113333020212.

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

It is not a de Polignac number, because 212020333311 - 2¹⁵ = 212020300543 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 (212020333319) 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, 35336722216 + ... + 35336722221.

It is an arithmetic number, because the mean of its divisors is an integer number (70673444438).

Almost surely, 2^212020333311 is an apocalyptic number.

212020333311 is a deficient number, since it is larger than the sum of its proper divisors (70673444441).

212020333311 is an equidigital number, since it uses as much as digits as its factorization.

212020333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70673444440.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212020333311 its reverse (113333020212), we get a palindrome (325353353523).

The spelling of 212020333311 in words is "two hundred twelve billion, twenty million, three hundred thirty-three thousand, three hundred eleven".