20100201020201 has 4 divisors (see below), whose sum is σ = 20974122803712. Its totient is φ = 19226279236692.

The previous prime is 20100201020197. The next prime is 20100201020231. The reversal of 20100201020201 is 10202010200102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20100201020201 - 2² = 20100201020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100201020231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436960891721 + ... + 436960891766.

It is an arithmetic number, because the mean of its divisors is an integer number (5243530700928).

Almost surely, 2^{20100201020201} is an apocalyptic number.

It is an amenable number.

20100201020201 is a deficient number, since it is larger than the sum of its proper divisors (873921783511).

20100201020201 is an equidigital number, since it uses as much as digits as its factorization.

20100201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873921783510.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20100201020201 its reverse (10202010200102), we get a palindrome (30302211220303).

The spelling of 20100201020201 in words is "twenty trillion, one hundred billion, two hundred one million, twenty thousand, two hundred one".