2011131202237 has 2 divisors, whose sum is σ = 2011131202238. Its totient is φ = 2011131202236.

The previous prime is 2011131202207. The next prime is 2011131202253. The reversal of 2011131202237 is 7322021311102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968223808356 + 42907393881 = 1402934^2 + 207141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011131202237 - 2¹⁵ = 2011131169469 is a prime.

It is a super-2 number, since 2×2011131202237² (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 (2011131202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005565601118 + 1005565601119.

It is an arithmetic number, because the mean of its divisors is an integer number (1005565601119).

Almost surely, 2^{2011131202237} is an apocalyptic number.

It is an amenable number.

2011131202237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011131202237 is an equidigital number, since it uses as much as digits as its factorization.

2011131202237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 2011131202237 its reverse (7322021311102), we get a palindrome (9333152513339).

The spelling of 2011131202237 in words is "two trillion, eleven billion, one hundred thirty-one million, two hundred two thousand, two hundred thirty-seven".