201001222319987 has 2 divisors, whose sum is σ = 201001222319988. Its totient is φ = 201001222319986.

The previous prime is 201001222319981. The next prime is 201001222320029. The reversal of 201001222319987 is 789913222100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201001222319987 - 2¹⁴ = 201001222303603 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001222319981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500611159993 + 100500611159994.

It is an arithmetic number, because the mean of its divisors is an integer number (100500611159994).

Almost surely, 2^{201001222319987} is an apocalyptic number.

201001222319987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001222319987 is an equidigital number, since it uses as much as digits as its factorization.

201001222319987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 201001222319987 in words is "two hundred one trillion, one billion, two hundred twenty-two million, three hundred nineteen thousand, nine hundred eighty-seven".