213320210111211 has 12 divisors (see below), whose sum is σ = 330863999356392. Its totient is φ = 121897262920608.

The previous prime is 213320210111117. The next prime is 213320210111213. The reversal of 213320210111211 is 112111012023312.

It is not a de Polignac number, because 213320210111211 - 2⁹ = 213320210110699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (213320210111213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725578945810 + ... + 725578946103.

It is an arithmetic number, because the mean of its divisors is an integer number (27571999946366).

Almost surely, 2^{213320210111211} is an apocalyptic number.

213320210111211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213320210111211 is a deficient number, since it is larger than the sum of its proper divisors (117543789245181).

213320210111211 is a wasteful number, since it uses less digits than its factorization.

213320210111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451157891930 (or 1451157891923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 213320210111211 its reverse (112111012023312), we get a palindrome (325431222134523).

The spelling of 213320210111211 in words is "two hundred thirteen trillion, three hundred twenty billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".