20110021010201 has 2 divisors, whose sum is σ = 20110021010202. Its totient is φ = 20110021010200.

The previous prime is 20110021010153. The next prime is 20110021010207. The reversal of 20110021010201 is 10201012001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10871369574976 + 9238651435225 = 3297176^2 + 3039515^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110021010201 - 2³⁴ = 20092841141017 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110021010207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055010505100 + 10055010505101.

It is an arithmetic number, because the mean of its divisors is an integer number (10055010505101).

Almost surely, 2^{20110021010201} is an apocalyptic number.

It is an amenable number.

20110021010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110021010201 is an equidigital number, since it uses as much as digits as its factorization.

20110021010201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110021010201 its reverse (10201012001102), we get a palindrome (30311033011303).

Subtracting from 20110021010201 its reverse (10201012001102), we obtain a palindrome (9909009009099).

It can be divided in two parts, 2011002 and 1010201, that added together give a palindrome (3021203).

The spelling of 20110021010201 in words is "twenty trillion, one hundred ten billion, twenty-one million, ten thousand, two hundred one".