20010100000101 has 4 divisors (see below), whose sum is σ = 26680133333472. Its totient is φ = 13340066666732.

The previous prime is 20010100000073. The next prime is 20010100000139. The reversal of 20010100000101 is 10100000101002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20010100000101 - 2¹⁴ = 20010099983717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010100000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010100000001) 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 3 ways as a sum of consecutive naturals, for example, 3335016666681 + ... + 3335016666686.

It is an arithmetic number, because the mean of its divisors is an integer number (6670033333368).

Almost surely, 2^{20010100000101} is an apocalyptic number.

It is an amenable number.

20010100000101 is a deficient number, since it is larger than the sum of its proper divisors (6670033333371).

20010100000101 is an equidigital number, since it uses as much as digits as its factorization.

20010100000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670033333370.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20010100000101 its reverse (10100000101002), we get a palindrome (30110100101103).

The spelling of 20010100000101 in words is "twenty trillion, ten billion, one hundred million, one hundred one", and thus it is an aban number.