110001201001987 has 2 divisors, whose sum is σ = 110001201001988. Its totient is φ = 110001201001986.

The previous prime is 110001201001943. The next prime is 110001201002039. The reversal of 110001201001987 is 789100102100011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110001201001987 - 2³¹ = 109999053518339 is a prime.

It is not a weakly prime, because it can be changed into another prime (110001201001187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000600500993 + 55000600500994.

It is an arithmetic number, because the mean of its divisors is an integer number (55000600500994).

Almost surely, 2^{110001201001987} is an apocalyptic number.

110001201001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001201001987 is an equidigital number, since it uses as much as digits as its factorization.

110001201001987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

Adding to 110001201001987 its reverse (789100102100011), we get a palindrome (899101303101998).

The spelling of 110001201001987 in words is "one hundred ten trillion, one billion, two hundred one million, one thousand, nine hundred eighty-seven".