2112110012189 has 2 divisors, whose sum is σ = 2112110012190. Its totient is φ = 2112110012188.

The previous prime is 2112110012183. The next prime is 2112110012261. The reversal of 2112110012189 is 9812100112112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1959252471289 + 152857540900 = 1399733^2 + 390970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112110012189 is a prime.

It is a super-2 number, since 2×2112110012189² (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 (2112110012183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056055006094 + 1056055006095.

It is an arithmetic number, because the mean of its divisors is an integer number (1056055006095).

Almost surely, 2^{2112110012189} is an apocalyptic number.

It is an amenable number.

2112110012189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112110012189 is an equidigital number, since it uses as much as digits as its factorization.

2112110012189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 2112110012189 in words is "two trillion, one hundred twelve billion, one hundred ten million, twelve thousand, one hundred eighty-nine".