1011112112237 has 2 divisors, whose sum is σ = 1011112112238. Its totient is φ = 1011112112236.

The previous prime is 1011112112201. The next prime is 1011112112239. The reversal of 1011112112237 is 7322112111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969488359876 + 41623752361 = 984626^2 + 204019^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011112112237 - 2¹⁰ = 1011112111213 is a prime.

Together with 1011112112239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011112112239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505556056118 + 505556056119.

It is an arithmetic number, because the mean of its divisors is an integer number (505556056119).

Almost surely, 2^{1011112112237} is an apocalyptic number.

It is an amenable number.

1011112112237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011112112237 is an equidigital number, since it uses as much as digits as its factorization.

1011112112237 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 23.

Adding to 1011112112237 its reverse (7322112111101), we get a palindrome (8333224223338).

The spelling of 1011112112237 in words is "one trillion, eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred thirty-seven".