2113322213 has 2 divisors, whose sum is σ = 2113322214. Its totient is φ = 2113322212.

The previous prime is 2113322137. The next prime is 2113322243. The reversal of 2113322213 is 3122233112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1504121089 + 609201124 = 38783^2 + 24682^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113322213 - 2¹² = 2113318117 is a prime.

It is a super-2 number, since 2×2113322213² = 8932261551918434738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113322243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056661106 + 1056661107.

It is an arithmetic number, because the mean of its divisors is an integer number (1056661107).

Almost surely, 2^2113322213 is an apocalyptic number.

It is an amenable number.

2113322213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113322213 is an equidigital number, since it uses as much as digits as its factorization.

2113322213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 2113322213 is about 45970.8844052407. The cubic root of 2113322213 is about 1283.2814187953.

Adding to 2113322213 its reverse (3122233112), we get a palindrome (5235555325).

The spelling of 2113322213 in words is "two billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred thirteen".