20102110210101 has 16 divisors (see below), whose sum is σ = 27015249291264. Its totient is φ = 13295199826944.

The previous prime is 20102110210079. The next prime is 20102110210109. The reversal of 20102110210101 is 10101201120102.

It is not a de Polignac number, because 20102110210101 - 2⁶ = 20102110210037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102110210109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6111301 + ... + 8806373.

It is an arithmetic number, because the mean of its divisors is an integer number (1688453080704).

Almost surely, 2^{20102110210101} is an apocalyptic number.

It is an amenable number.

20102110210101 is a deficient number, since it is larger than the sum of its proper divisors (6913139081163).

20102110210101 is a wasteful number, since it uses less digits than its factorization.

20102110210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714780.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102110210101 its reverse (10101201120102), we get a palindrome (30203311330203).

The spelling of 20102110210101 in words is "twenty trillion, one hundred two billion, one hundred ten million, two hundred ten thousand, one hundred one".