20111101110196 has 6 divisors (see below), whose sum is σ = 35194426942850. Its totient is φ = 10055550555096.

The previous prime is 20111101110187. The next prime is 20111101110209. The reversal of 20111101110196 is 69101110111102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17407753507600 + 2703347602596 = 4172260^2 + 1644186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20111101110196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513887638771 + ... + 2513887638778.

Almost surely, 2^{20111101110196} is an apocalyptic number.

It is an amenable number.

20111101110196 is a deficient number, since it is larger than the sum of its proper divisors (15083325832654).

20111101110196 is a wasteful number, since it uses less digits than its factorization.

20111101110196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027775277553 (or 5027775277551 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 25.

Adding to 20111101110196 its reverse (69101110111102), we get a palindrome (89212211221298).

The spelling of 20111101110196 in words is "twenty trillion, one hundred eleven billion, one hundred one million, one hundred ten thousand, one hundred ninety-six".