20202100000101 has 12 divisors (see below), whose sum is σ = 29203137686112. Its totient is φ = 13457762093736.

The previous prime is 20202100000081. The next prime is 20202100000111. The reversal of 20202100000101 is 10100000120202.

It is not a de Polignac number, because 20202100000101 - 2¹⁰ = 20202099999077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202100000111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858702001 + ... + 858725526.

It is an arithmetic number, because the mean of its divisors is an integer number (2433594807176).

Almost surely, 2^{20202100000101} is an apocalyptic number.

It is an amenable number.

20202100000101 is a deficient number, since it is larger than the sum of its proper divisors (9001037686011).

20202100000101 is a wasteful number, since it uses less digits than its factorization.

20202100000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717428840 (or 1717428837 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20202100000101 its reverse (10100000120202), we get a palindrome (30302100120303).

The spelling of 20202100000101 in words is "twenty trillion, two hundred two billion, one hundred million, one hundred one", and thus it is an aban number.