212101011201187 has 2 divisors, whose sum is σ = 212101011201188. Its totient is φ = 212101011201186.

The previous prime is 212101011201133. The next prime is 212101011201223. The reversal of 212101011201187 is 781102110101212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212101011201187 - 2²³ = 212101002812579 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101011201887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050505600593 + 106050505600594.

It is an arithmetic number, because the mean of its divisors is an integer number (106050505600594).

Almost surely, 2^{212101011201187} is an apocalyptic number.

212101011201187 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101011201187 is an equidigital number, since it uses as much as digits as its factorization.

212101011201187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 212101011201187 its reverse (781102110101212), we get a palindrome (993203121302399).

The spelling of 212101011201187 in words is "two hundred twelve trillion, one hundred one billion, eleven million, two hundred one thousand, one hundred eighty-seven".