20211010210201 has 4 divisors (see below), whose sum is σ = 20249654589712. Its totient is φ = 20172365830692.

The previous prime is 20211010210189. The next prime is 20211010210219. The reversal of 20211010210201 is 10201201011202.

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 a cyclic number.

It is not a de Polignac number, because 20211010210201 - 2⁵ = 20211010210169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211010210271) 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, 19322188971 + ... + 19322190016.

It is an arithmetic number, because the mean of its divisors is an integer number (5062413647428).

Almost surely, 2^{20211010210201} is an apocalyptic number.

It is an amenable number.

20211010210201 is a deficient number, since it is larger than the sum of its proper divisors (38644379511).

20211010210201 is an equidigital number, since it uses as much as digits as its factorization.

20211010210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38644379510.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211010210201 its reverse (10201201011202), we get a palindrome (30412211221403).

The spelling of 20211010210201 in words is "twenty trillion, two hundred eleven billion, ten million, two hundred ten thousand, two hundred one".