11202201173 has 2 divisors, whose sum is σ = 11202201174. Its totient is φ = 11202201172.

The previous prime is 11202201169. The next prime is 11202201233. The reversal of 11202201173 is 37110220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6299120689 + 4903080484 = 79367^2 + 70022^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202201173 - 2² = 11202201169 is a prime.

It is a super-2 number, since 2×11202201173² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202201103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601100586 + 5601100587.

It is an arithmetic number, because the mean of its divisors is an integer number (5601100587).

Almost surely, 2^11202201173 is an apocalyptic number.

It is an amenable number.

11202201173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202201173 is an equidigital number, since it uses as much as digits as its factorization.

11202201173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 11202201173 its reverse (37110220211), we get a palindrome (48312421384).

The spelling of 11202201173 in words is "eleven billion, two hundred two million, two hundred one thousand, one hundred seventy-three".