11221210211173 has 2 divisors, whose sum is σ = 11221210211174. Its totient is φ = 11221210211172.

The previous prime is 11221210211153. The next prime is 11221210211219. The reversal of 11221210211173 is 37111201212211.

11221210211173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9764112558564 + 1457097652609 = 3124758^2 + 1207103^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221210211173 - 2¹³ = 11221210202981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221210211153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610605105586 + 5610605105587.

It is an arithmetic number, because the mean of its divisors is an integer number (5610605105587).

Almost surely, 2^{11221210211173} is an apocalyptic number.

It is an amenable number.

11221210211173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221210211173 is an equidigital number, since it uses as much as digits as its factorization.

11221210211173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 11221210211173 its reverse (37111201212211), we get a palindrome (48332411423384).

The spelling of 11221210211173 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred seventy-three".