20210000201201 has 4 divisors (see below), whose sum is σ = 20210010965412. Its totient is φ = 20209989436992.

The previous prime is 20210000201177. The next prime is 20210000201219. The reversal of 20210000201201 is 10210200001202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16816962520801 + 3393037680400 = 4100849^2 + 1842020^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210000201201 - 2¹⁰ = 20210000200177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210000201221) 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, 1747796 + ... + 6593541.

It is an arithmetic number, because the mean of its divisors is an integer number (5052502741353).

Almost surely, 2^{20210000201201} is an apocalyptic number.

It is an amenable number.

20210000201201 is a deficient number, since it is larger than the sum of its proper divisors (10764211).

20210000201201 is an equidigital number, since it uses as much as digits as its factorization.

20210000201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764210.

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

Adding to 20210000201201 its reverse (10210200001202), we get a palindrome (30420200202403).

The spelling of 20210000201201 in words is "twenty trillion, two hundred ten billion, two hundred one thousand, two hundred one".