202102001010101 has 16 divisors (see below), whose sum is σ = 209905642598400. Its totient is φ = 194444510724528.

The previous prime is 202102001010079. The next prime is 202102001010109. The reversal of 202102001010101 is 101010100201202.

It is a cyclic number.

It is not a de Polignac number, because 202102001010101 - 2³⁸ = 201827123103157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102001010109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112309520 + ... + 114094838.

It is an arithmetic number, because the mean of its divisors is an integer number (13119102662400).

Almost surely, 2^{202102001010101} is an apocalyptic number.

It is an amenable number.

202102001010101 is a deficient number, since it is larger than the sum of its proper divisors (7803641588299).

202102001010101 is a wasteful number, since it uses less digits than its factorization.

202102001010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826248.

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

Adding to 202102001010101 its reverse (101010100201202), we get a palindrome (303112101211303).

The spelling of 202102001010101 in words is "two hundred two trillion, one hundred two billion, one million, ten thousand, one hundred one".