212210303111 has 4 divisors (see below), whose sum is σ = 219527899800. Its totient is φ = 204892706424.

The previous prime is 212210303087. The next prime is 212210303113. The reversal of 212210303111 is 111303012212.

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 212210303111 - 2¹⁴ = 212210286727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212210303111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210303113) 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, 3658798301 + ... + 3658798358.

It is an arithmetic number, because the mean of its divisors is an integer number (54881974950).

Almost surely, 2^212210303111 is an apocalyptic number.

212210303111 is a deficient number, since it is larger than the sum of its proper divisors (7317596689).

212210303111 is an equidigital number, since it uses as much as digits as its factorization.

212210303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317596688.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212210303111 its reverse (111303012212), we get a palindrome (323513315323).

The spelling of 212210303111 in words is "two hundred twelve billion, two hundred ten million, three hundred three thousand, one hundred eleven".