2112401189 has 2 divisors, whose sum is σ = 2112401190. Its totient is φ = 2112401188.

The previous prime is 2112401177. The next prime is 2112401227. The reversal of 2112401189 is 9811042112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1509944164 + 602457025 = 38858^2 + 24545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112401189 - 2⁸ = 2112400933 is a prime.

It is a super-2 number, since 2×2112401189² = 8924477566577227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112401129) 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, 1056200594 + 1056200595.

It is an arithmetic number, because the mean of its divisors is an integer number (1056200595).

Almost surely, 2^2112401189 is an apocalyptic number.

It is an amenable number.

2112401189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112401189 is an equidigital number, since it uses as much as digits as its factorization.

2112401189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2112401189 is about 45960.8658425839. The cubic root of 2112401189 is about 1283.0949659641.

The spelling of 2112401189 in words is "two billion, one hundred twelve million, four hundred one thousand, one hundred eighty-nine".