212330111133311 has 4 divisors (see below), whose sum is σ = 212375646225072. Its totient is φ = 212284576041552.

The previous prime is 212330111133299. The next prime is 212330111133319. The reversal of 212330111133311 is 113331111033212.

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 212330111133311 - 2³⁴ = 212312931264127 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 (212330111133319) 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, 22767538886 + ... + 22767548211.

It is an arithmetic number, because the mean of its divisors is an integer number (53093911556268).

Almost surely, 2^{212330111133311} is an apocalyptic number.

212330111133311 is a deficient number, since it is larger than the sum of its proper divisors (45535091761).

212330111133311 is an equidigital number, since it uses as much as digits as its factorization.

212330111133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45535091760.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 212330111133311 its reverse (113331111033212), we get a palindrome (325661222166523).

It can be divided in two parts, 21233011 and 1133311, that added together give a palindrome (22366322).

The spelling of 212330111133311 in words is "two hundred twelve trillion, three hundred thirty billion, one hundred eleven million, one hundred thirty-three thousand, three hundred eleven".