2001112201189 has 2 divisors, whose sum is σ = 2001112201190. Its totient is φ = 2001112201188.

The previous prime is 2001112201169. The next prime is 2001112201237. The reversal of 2001112201189 is 9811022111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1410738185025 + 590374016164 = 1187745^2 + 768358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001112201189 - 2¹⁵ = 2001112168421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001112201129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000556100594 + 1000556100595.

It is an arithmetic number, because the mean of its divisors is an integer number (1000556100595).

Almost surely, 2^{2001112201189} is an apocalyptic number.

It is an amenable number.

2001112201189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001112201189 is an equidigital number, since it uses as much as digits as its factorization.

2001112201189 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 28.

The spelling of 2001112201189 in words is "two trillion, one billion, one hundred twelve million, two hundred one thousand, one hundred eighty-nine".