1020201202101 has 16 divisors (see below), whose sum is σ = 1373792973120. Its totient is φ = 673372339200.

The previous prime is 1020201202087. The next prime is 1020201202159. The reversal of 1020201202101 is 1012021020201.

It is not a de Polignac number, because 1020201202101 - 2⁹ = 1020201201589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201202301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9417621 + ... + 9525333.

It is an arithmetic number, because the mean of its divisors is an integer number (85862060820).

Almost surely, 2^{1020201202101} is an apocalyptic number.

It is an amenable number.

1020201202101 is a deficient number, since it is larger than the sum of its proper divisors (353591771019).

1020201202101 is a wasteful number, since it uses less digits than its factorization.

1020201202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139076.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020201202101 its reverse (1012021020201), we get a palindrome (2032222222302).

The spelling of 1020201202101 in words is "one trillion, twenty billion, two hundred one million, two hundred two thousand, one hundred one".