212211313211 has 16 divisors (see below), whose sum is σ = 218846669568. Its totient is φ = 205703388000.

The previous prime is 212211313183. The next prime is 212211313213. The reversal of 212211313211 is 112313112212.

It is a cyclic number.

It is not a de Polignac number, because 212211313211 - 2¹⁸ = 212211051067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211313213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006826 + ... + 1199216.

It is an arithmetic number, because the mean of its divisors is an integer number (13677916848).

Almost surely, 2^212211313211 is an apocalyptic number.

212211313211 is a deficient number, since it is larger than the sum of its proper divisors (6635356357).

212211313211 is a wasteful number, since it uses less digits than its factorization.

212211313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192722.

The product of its digits is 144, while the sum is 20.

Adding to 212211313211 its reverse (112313112212), we get a palindrome (324524425423).

The spelling of 212211313211 in words is "two hundred twelve billion, two hundred eleven million, three hundred thirteen thousand, two hundred eleven".