10001201020101 has 24 divisors (see below), whose sum is σ = 14838253031264. Its totient is φ = 6486549971040.

The previous prime is 10001201020073. The next prime is 10001201020183. The reversal of 10001201020101 is 10102010210001.

It is a happy number.

It is not a de Polignac number, because 10001201020101 - 2²⁵ = 10001167465669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001201022101) 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, 1375470 + ... + 4679136.

Almost surely, 2^{10001201020101} is an apocalyptic number.

It is an amenable number.

10001201020101 is a deficient number, since it is larger than the sum of its proper divisors (4837052011163).

10001201020101 is a wasteful number, since it uses less digits than its factorization.

10001201020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312801 (or 3312798 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10001201020101 its reverse (10102010210001), we get a palindrome (20103211230102).

It can be divided in two parts, 10001 and 201020101, that added together give a palindrome (201030102).

The spelling of 10001201020101 in words is "ten trillion, one billion, two hundred one million, twenty thousand, one hundred one".