20201102100112 has 20 divisors (see below), whose sum is σ = 41441966808876. Its totient is φ = 9506400988160.

The previous prime is 20201102100083. The next prime is 20201102100119. The reversal of 20201102100112 is 21100120110202.

It can be written as a sum of positive squares in 2 ways, for example, as 6174549098496 + 14026553001616 = 2484864^2 + 3745204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20201102100092 and 20201102100101.

It is not an unprimeable number, because it can be changed into a prime (20201102100119) 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, 37134378589 + ... + 37134379132.

Almost surely, 2^{20201102100112} is an apocalyptic number.

It is an amenable number.

20201102100112 is an abundant number, since it is smaller than the sum of its proper divisors (21240864708764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201102100112 is a wasteful number, since it uses less digits than its factorization.

20201102100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74268757746 (or 74268757740 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201102100112 its reverse (21100120110202), we get a palindrome (41301222210314).

The spelling of 20201102100112 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred thousand, one hundred twelve".