212023302111 has 24 divisors (see below), whose sum is σ = 317629071760. Its totient is φ = 141335347392.

The previous prime is 212023302109. The next prime is 212023302119. The reversal of 212023302111 is 111203320212.

212023302111 is a `hidden beast` number, since 2 + 120 + 2 + 330 + 211 + 1 = 666.

It is not a de Polignac number, because 212023302111 - 2¹ = 212023302109 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 (212023302119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2941875 + ... + 3013083.

Almost surely, 2^212023302111 is an apocalyptic number.

212023302111 is a deficient number, since it is larger than the sum of its proper divisors (105605769649).

212023302111 is an equidigital number, since it uses as much as digits as its factorization.

212023302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83477 (or 83465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212023302111 its reverse (111203320212), we get a palindrome (323226622323).

The spelling of 212023302111 in words is "two hundred twelve billion, twenty-three million, three hundred two thousand, one hundred eleven".