2201121112237 has 2 divisors, whose sum is σ = 2201121112238. Its totient is φ = 2201121112236.

The previous prime is 2201121112159. The next prime is 2201121112247. The reversal of 2201121112237 is 7322111211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031269151076 + 169851961161 = 1425226^2 + 412131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201121112237 - 2¹¹ = 2201121110189 is a prime.

It is a super-2 number, since 2×2201121112237² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201121112247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100560556118 + 1100560556119.

It is an arithmetic number, because the mean of its divisors is an integer number (1100560556119).

Almost surely, 2^{2201121112237} is an apocalyptic number.

It is an amenable number.

2201121112237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201121112237 is an equidigital number, since it uses as much as digits as its factorization.

2201121112237 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 25.

Adding to 2201121112237 its reverse (7322111211022), we get a palindrome (9523232323259).

The spelling of 2201121112237 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred thirty-seven".