212023303111 has 4 divisors (see below), whose sum is σ = 212038979152. Its totient is φ = 212007627072.

The previous prime is 212023303103. The next prime is 212023303117. The reversal of 212023303111 is 111303320212.

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 212023303111 - 2³ = 212023303103 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 (212023303117) 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, 7817715 + ... + 7844788.

It is an arithmetic number, because the mean of its divisors is an integer number (53009744788).

Almost surely, 2^212023303111 is an apocalyptic number.

212023303111 is a deficient number, since it is larger than the sum of its proper divisors (15676041).

212023303111 is a wasteful number, since it uses less digits than its factorization.

212023303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676040.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212023303111 its reverse (111303320212), we get a palindrome (323326623323).

The spelling of 212023303111 in words is "two hundred twelve billion, twenty-three million, three hundred three thousand, one hundred eleven".