2211193444813 has 2 divisors, whose sum is σ = 2211193444814. Its totient is φ = 2211193444812.

The previous prime is 2211193444717. The next prime is 2211193444843. The reversal of 2211193444813 is 3184443911122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211041119849 + 152324964 = 1486957^2 + 12342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211193444813 - 2⁴¹ = 12170189261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211193444813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211193444843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105596722406 + 1105596722407.

It is an arithmetic number, because the mean of its divisors is an integer number (1105596722407).

Almost surely, 2^{2211193444813} is an apocalyptic number.

It is an amenable number.

2211193444813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211193444813 is an equidigital number, since it uses as much as digits as its factorization.

2211193444813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The spelling of 2211193444813 in words is "two trillion, two hundred eleven billion, one hundred ninety-three million, four hundred forty-four thousand, eight hundred thirteen".