201001011001187 has 2 divisors, whose sum is σ = 201001011001188. Its totient is φ = 201001011001186.

The previous prime is 201001011001127. The next prime is 201001011001243. The reversal of 201001011001187 is 781100110100102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201001011001187 - 2¹⁸ = 201001010739043 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001011001127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500505500593 + 100500505500594.

It is an arithmetic number, because the mean of its divisors is an integer number (100500505500594).

Almost surely, 2^{201001011001187} is an apocalyptic number.

201001011001187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001011001187 is an equidigital number, since it uses as much as digits as its factorization.

201001011001187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 201001011001187 its reverse (781100110100102), we get a palindrome (982101121101289).

The spelling of 201001011001187 in words is "two hundred one trillion, one billion, eleven million, one thousand, one hundred eighty-seven".