11210221122173 has 2 divisors, whose sum is σ = 11210221122174. Its totient is φ = 11210221122172.

The previous prime is 11210221122157. The next prime is 11210221122203. The reversal of 11210221122173 is 37122112201211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9342180024004 + 1868041098169 = 3056498^2 + 1366763^2 .

It is an emirp because it is prime and its reverse (37122112201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11210221122173 - 2⁴ = 11210221122157 is a prime.

It is a super-3 number, since 3×11210221122173³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210221122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605110561086 + 5605110561087.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110561087).

Almost surely, 2^{11210221122173} is an apocalyptic number.

It is an amenable number.

11210221122173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210221122173 is an equidigital number, since it uses as much as digits as its factorization.

11210221122173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 11210221122173 its reverse (37122112201211), we get a palindrome (48332333323384).

The spelling of 11210221122173 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred seventy-three".