101201020112189 has 2 divisors, whose sum is σ = 101201020112190. Its totient is φ = 101201020112188.

The previous prime is 101201020112177. The next prime is 101201020112209. The reversal of 101201020112189 is 981211020102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89840635264900 + 11360384847289 = 9478430^2 + 3370517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101201020112189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201020112089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600510056094 + 50600510056095.

It is an arithmetic number, because the mean of its divisors is an integer number (50600510056095).

Almost surely, 2^{101201020112189} is an apocalyptic number.

It is an amenable number.

101201020112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201020112189 is an equidigital number, since it uses as much as digits as its factorization.

101201020112189 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 101201020112189 in words is "one hundred one trillion, two hundred one billion, twenty million, one hundred twelve thousand, one hundred eighty-nine".