2102246213 has 2 divisors, whose sum is σ = 2102246214. Its totient is φ = 2102246212.

The previous prime is 2102246191. The next prime is 2102246243. The reversal of 2102246213 is 3126422012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1307400964 + 794845249 = 36158^2 + 28193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102246213 - 2¹⁸ = 2101984069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102246243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051123106 + 1051123107.

It is an arithmetic number, because the mean of its divisors is an integer number (1051123107).

Almost surely, 2^2102246213 is an apocalyptic number.

It is an amenable number.

2102246213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102246213 is an equidigital number, since it uses as much as digits as its factorization.

2102246213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2102246213 is about 45850.2585925096. The cubic root of 2102246213 is about 1281.0355822258.

Adding to 2102246213 its reverse (3126422012), we get a palindrome (5228668225).

The spelling of 2102246213 in words is "two billion, one hundred two million, two hundred forty-six thousand, two hundred thirteen".