210211213133 has 4 divisors (see below), whose sum is σ = 210235414620. Its totient is φ = 210187011648.

The previous prime is 210211213097. The next prime is 210211213151. The reversal of 210211213133 is 331312112012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192276111049 + 17935102084 = 438493^2 + 133922^2 .

It is a cyclic number.

It is not a de Polignac number, because 210211213133 - 2¹² = 210211209037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211215133) 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, 12087710 + ... + 12105087.

It is an arithmetic number, because the mean of its divisors is an integer number (52558853655).

Almost surely, 2^210211213133 is an apocalyptic number.

It is an amenable number.

210211213133 is a deficient number, since it is larger than the sum of its proper divisors (24201487).

210211213133 is an equidigital number, since it uses as much as digits as its factorization.

210211213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24201486.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210211213133 its reverse (331312112012), we get a palindrome (541523325145).

The spelling of 210211213133 in words is "two hundred ten billion, two hundred eleven million, two hundred thirteen thousand, one hundred thirty-three".