201000200999987 has 2 divisors, whose sum is σ = 201000200999988. Its totient is φ = 201000200999986.

The previous prime is 201000200999957. The next prime is 201000201000059. The reversal of 201000200999987 is 789999002000102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000200999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (201000200999957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500100499993 + 100500100499994.

It is an arithmetic number, because the mean of its divisors is an integer number (100500100499994).

Almost surely, 2^{201000200999987} is an apocalyptic number.

201000200999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000200999987 is an equidigital number, since it uses as much as digits as its factorization.

201000200999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 201000200999987 in words is "two hundred one trillion, two hundred million, nine hundred ninety-nine thousand, nine hundred eighty-seven".