20011110200212 has 12 divisors (see below), whose sum is σ = 35020774926676. Its totient is φ = 10005174506880.

The previous prime is 20011110200189. The next prime is 20011110200219. The reversal of 20011110200212 is 21200201111002.

It can be written as a sum of positive squares in 2 ways, for example, as 13187385525136 + 6823724675076 = 3631444^2 + 2612226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20011110200192 and 20011110200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011110200219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95029989 + ... + 95240332.

Almost surely, 2^{20011110200212} is an apocalyptic number.

It is an amenable number.

20011110200212 is a deficient number, since it is larger than the sum of its proper divisors (15009664726464).

20011110200212 is a wasteful number, since it uses less digits than its factorization.

20011110200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190296618 (or 190296616 counting only the distinct ones).

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

Adding to 20011110200212 its reverse (21200201111002), we get a palindrome (41211311311214).

The spelling of 20011110200212 in words is "twenty trillion, eleven billion, one hundred ten million, two hundred thousand, two hundred twelve".