11073374318221 has 2 divisors, whose sum is σ = 11073374318222. Its totient is φ = 11073374318220.

The previous prime is 11073374318203. The next prime is 11073374318267. The reversal of 11073374318221 is 12281347337011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8786398642596 + 2286975675625 = 2964186^2 + 1512275^2 .

It is a cyclic number.

It is not a de Polignac number, because 11073374318221 - 2¹³ = 11073374310029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11073374315221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536687159110 + 5536687159111.

It is an arithmetic number, because the mean of its divisors is an integer number (5536687159111).

Almost surely, 2^{11073374318221} is an apocalyptic number.

It is an amenable number.

11073374318221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11073374318221 is an equidigital number, since it uses as much as digits as its factorization.

11073374318221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 11073374318221 in words is "eleven trillion, seventy-three billion, three hundred seventy-four million, three hundred eighteen thousand, two hundred twenty-one".