201001020210001 has 24 divisors (see below), whose sum is σ = 229188521318400. Its totient is φ = 176014814289600.

The previous prime is 201001020209959. The next prime is 201001020210007. The reversal of 201001020210001 is 100012020100102.

It is not a de Polignac number, because 201001020210001 - 2¹⁵ = 201001020177233 is a prime.

It is a super-2 number, since 2×201001020210001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201001020210001.

It is not an unprimeable number, because it can be changed into a prime (201001020210007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256039921 + ... + 256823758.

It is an arithmetic number, because the mean of its divisors is an integer number (9549521721600).

Almost surely, 2^{201001020210001} is an apocalyptic number.

It is an amenable number.

201001020210001 is a deficient number, since it is larger than the sum of its proper divisors (28187501108399).

201001020210001 is a wasteful number, since it uses less digits than its factorization.

201001020210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512863821 (or 512863810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201001020210001 its reverse (100012020100102), we get a palindrome (301013040310103).

The spelling of 201001020210001 in words is "two hundred one trillion, one billion, twenty million, two hundred ten thousand, one".