2102210221213 has 2 divisors, whose sum is σ = 2102210221214. Its totient is φ = 2102210221212.

The previous prime is 2102210221201. The next prime is 2102210221229. The reversal of 2102210221213 is 3121220122012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359059329369 + 743150891844 = 1165787^2 + 862062^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102210221213 - 2²¹ = 2102208124061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102210221273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105110606 + 1051105110607.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105110607).

Almost surely, 2^{2102210221213} is an apocalyptic number.

It is an amenable number.

2102210221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102210221213 is an equidigital number, since it uses as much as digits as its factorization.

2102210221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2102210221213 its reverse (3121220122012), we get a palindrome (5223430343225).

The spelling of 2102210221213 in words is "two trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirteen".