2100111122237 has 2 divisors, whose sum is σ = 2100111122238. Its totient is φ = 2100111122236.

The previous prime is 2100111122167. The next prime is 2100111122243. The reversal of 2100111122237 is 7322211110012.

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., 1734399445156 + 365711677081 = 1316966^2 + 604741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100111122237 - 2⁸ = 2100111121981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100111121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050055561118 + 1050055561119.

It is an arithmetic number, because the mean of its divisors is an integer number (1050055561119).

Almost surely, 2^{2100111122237} is an apocalyptic number.

It is an amenable number.

2100111122237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100111122237 is an equidigital number, since it uses as much as digits as its factorization.

2100111122237 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 2100111122237 its reverse (7322211110012), we get a palindrome (9422322232249).

The spelling of 2100111122237 in words is "two trillion, one hundred billion, one hundred eleven million, one hundred twenty-two thousand, two hundred thirty-seven".