20010110210101 has 32 divisors (see below), whose sum is σ = 22020644800512. Its totient is φ = 18032166010560.

The previous prime is 20010110210093. The next prime is 20010110210107. The reversal of 20010110210101 is 10101201101002.

It is a cyclic number.

It is not a de Polignac number, because 20010110210101 - 2³ = 20010110210093 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 (20010110210107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300786056 + ... + 1300801438.

It is an arithmetic number, because the mean of its divisors is an integer number (688145150016).

Almost surely, 2^{20010110210101} is an apocalyptic number.

It is an amenable number.

20010110210101 is a deficient number, since it is larger than the sum of its proper divisors (2010534590411).

20010110210101 is a wasteful number, since it uses less digits than its factorization.

20010110210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17553.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20010110210101 its reverse (10101201101002), we get a palindrome (30111311311103).

The spelling of 20010110210101 in words is "twenty trillion, ten billion, one hundred ten million, two hundred ten thousand, one hundred one".