212202303311 has 4 divisors (see below), whose sum is σ = 214262519952. Its totient is φ = 210142086672.

The previous prime is 212202303283. The next prime is 212202303329. The reversal of 212202303311 is 113303202212.

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 212202303311 - 2³⁰ = 211128561487 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 (212202303371) 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, 1030108166 + ... + 1030108371.

It is an arithmetic number, because the mean of its divisors is an integer number (53565629988).

Almost surely, 2^212202303311 is an apocalyptic number.

212202303311 is a deficient number, since it is larger than the sum of its proper divisors (2060216641).

212202303311 is a wasteful number, since it uses less digits than its factorization.

212202303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060216640.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212202303311 its reverse (113303202212), we get a palindrome (325505505523).

The spelling of 212202303311 in words is "two hundred twelve billion, two hundred two million, three hundred three thousand, three hundred eleven".