201044321987 has 2 divisors, whose sum is σ = 201044321988. Its totient is φ = 201044321986.

The previous prime is 201044321981. The next prime is 201044322019. The reversal of 201044321987 is 789123440102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201044321987 - 2²⁴ = 201027544771 is a prime.

It is not a weakly prime, because it can be changed into another prime (201044321981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522160993 + 100522160994.

It is an arithmetic number, because the mean of its divisors is an integer number (100522160994).

Almost surely, 2^201044321987 is an apocalyptic number.

201044321987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044321987 is an equidigital number, since it uses as much as digits as its factorization.

201044321987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 201044321987 in words is "two hundred one billion, forty-four million, three hundred twenty-one thousand, nine hundred eighty-seven".