201011100220187 has 2 divisors, whose sum is σ = 201011100220188. Its totient is φ = 201011100220186.

The previous prime is 201011100220103. The next prime is 201011100220247. The reversal of 201011100220187 is 781022001110102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011100220187 is a prime.

It is not a weakly prime, because it can be changed into another prime (201011100220787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505550110093 + 100505550110094.

It is an arithmetic number, because the mean of its divisors is an integer number (100505550110094).

Almost surely, 2^{201011100220187} is an apocalyptic number.

201011100220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011100220187 is an equidigital number, since it uses as much as digits as its factorization.

201011100220187 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 26.

Adding to 201011100220187 its reverse (781022001110102), we get a palindrome (982033101330289).

The spelling of 201011100220187 in words is "two hundred one trillion, eleven billion, one hundred million, two hundred twenty thousand, one hundred eighty-seven".