1001000020201 has 8 divisors (see below), whose sum is σ = 1007701890624. Its totient is φ = 994320088080.

The previous prime is 1001000020187. The next prime is 1001000020303. The reversal of 1001000020201 is 1020200001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001000020201 - 2⁵ = 1001000020169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001000060201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5393010 + ... + 5575531.

It is an arithmetic number, because the mean of its divisors is an integer number (125962736328).

Almost surely, 2^{1001000020201} is an apocalyptic number.

It is an amenable number.

1001000020201 is a deficient number, since it is larger than the sum of its proper divisors (6701870423).

1001000020201 is a wasteful number, since it uses less digits than its factorization.

1001000020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969151.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1001000020201 its reverse (1020200001001), we get a palindrome (2021200021202).

The spelling of 1001000020201 in words is "one trillion, one billion, twenty thousand, two hundred one".