212313100111 has 16 divisors (see below), whose sum is σ = 251036264448. Its totient is φ = 175714624800.

The previous prime is 212313100099. The next prime is 212313100127. The reversal of 212313100111 is 111001313212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212313100111 - 2¹⁹ = 212312575823 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 (212313109111) 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 15 ways as a sum of consecutive naturals, for example, 1008160 + ... + 1200421.

It is an arithmetic number, because the mean of its divisors is an integer number (15689766528).

Almost surely, 2^212313100111 is an apocalyptic number.

212313100111 is a deficient number, since it is larger than the sum of its proper divisors (38723164337).

212313100111 is a wasteful number, since it uses less digits than its factorization.

212313100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209062.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 212313100111 its reverse (111001313212), we get a palindrome (323314413323).

The spelling of 212313100111 in words is "two hundred twelve billion, three hundred thirteen million, one hundred thousand, one hundred eleven".