20010012010201 has 2 divisors, whose sum is σ = 20010012010202. Its totient is φ = 20010012010200.

The previous prime is 20010012010199. The next prime is 20010012010213. The reversal of 20010012010201 is 10201021001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18114378697801 + 1895633312400 = 4256099^2 + 1376820^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010012010201 - 2¹ = 20010012010199 is a prime.

Together with 20010012010199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20010012010271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006005100 + 10005006005101.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006005101).

Almost surely, 2^{20010012010201} is an apocalyptic number.

It is an amenable number.

20010012010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010012010201 is an equidigital number, since it uses as much as digits as its factorization.

20010012010201 is an evil number, because the sum of its binary digits is even.

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

Adding to 20010012010201 its reverse (10201021001002), we get a palindrome (30211033011203).

The spelling of 20010012010201 in words is "twenty trillion, ten billion, twelve million, ten thousand, two hundred one".