2112111200237 has 2 divisors, whose sum is σ = 2112111200238. Its totient is φ = 2112111200236.

The previous prime is 2112111200207. The next prime is 2112111200257. The reversal of 2112111200237 is 7320021112112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2106390698281 + 5720501956 = 1451341^2 + 75634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112111200237 - 2²² = 2112107005933 is a prime.

It is a super-2 number, since 2×2112111200237² (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 (2112111200207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056055600118 + 1056055600119.

It is an arithmetic number, because the mean of its divisors is an integer number (1056055600119).

Almost surely, 2^{2112111200237} is an apocalyptic number.

It is an amenable number.

2112111200237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112111200237 is an equidigital number, since it uses as much as digits as its factorization.

2112111200237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 2112111200237 its reverse (7320021112112), we get a palindrome (9432132312349).

The spelling of 2112111200237 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred thousand, two hundred thirty-seven".