20201202020101 has 2 divisors, whose sum is σ = 20201202020102. Its totient is φ = 20201202020100.

The previous prime is 20201202020099. The next prime is 20201202020137. The reversal of 20201202020101 is 10102020210202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20113197831076 + 88004189025 = 4484774^2 + 296655^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201202020101 - 2¹ = 20201202020099 is a prime.

Together with 20201202020099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201202020401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100601010050 + 10100601010051.

It is an arithmetic number, because the mean of its divisors is an integer number (10100601010051).

Almost surely, 2^{20201202020101} is an apocalyptic number.

It is an amenable number.

20201202020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201202020101 is an equidigital number, since it uses as much as digits as its factorization.

20201202020101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20201202020101 its reverse (10102020210202), we get a palindrome (30303222230303).

The spelling of 20201202020101 in words is "twenty trillion, two hundred one billion, two hundred two million, twenty thousand, one hundred one".