20002102210101 has 16 divisors (see below), whose sum is σ = 30805376666688. Its totient is φ = 11409398764800.

The previous prime is 20002102210091. The next prime is 20002102210117. The reversal of 20002102210101 is 10101220120002.

It is not a de Polignac number, because 20002102210101 - 2⁶ = 20002102210037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002102210141) 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, 17827185010 + ... + 17827186131.

It is an arithmetic number, because the mean of its divisors is an integer number (1925336041668).

Almost surely, 2^{20002102210101} is an apocalyptic number.

It is an amenable number.

20002102210101 is a deficient number, since it is larger than the sum of its proper divisors (10803274456587).

20002102210101 is a wasteful number, since it uses less digits than its factorization.

20002102210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35654371172.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20002102210101 its reverse (10101220120002), we get a palindrome (30103322330103).

The spelling of 20002102210101 in words is "twenty trillion, two billion, one hundred two million, two hundred ten thousand, one hundred one".